The Don's Billion Dollar Rival Bride

(Sienna's POV)

"You're getting married in two weeks."

The words hit me like a slap. My fingers went numb, and the wine glass slipped from my fingers, shattering against the marble floor.

I barely heard the sharp gasp of a maid rushing to clean up the mess. My eyes locked onto my father, Edward Monroe, who sat in his leather chair, completely unfazed.

"You can't be serious," I whispered, my throat tightening.

"I'm always serious when it comes to family matters," he said, lighting a cigar. He exhaled a slow puff, his sharp blue eyes watching me like I was some unruly child throwing a tantrum. "You will marry Julian Castellanos. This alliance will strengthen both our families."

Julian Castellanos. The name alone made my stomach twist. I have heard the name a dozen times. Cold. Ruthless. A man who never smiled.

"I don't even know him," I said, my voice barely above a whisper.

"You'll get to know him after the wedding," my father said, as if it was that simple.

I clenched my fists. "I have a life, Father. Plans. You promised me control of Monroe Enterprises...."

"And you'll still have it. After you're married."

Anger burned in my chest. "And if I refuse?"

His gaze turned ice-cold. "That's not an option."

I sucked in a sharp breath. "I'm not some pawn in your business deals."

"You've always been a pawn, Sienna." His voice was calm, too calm. "You were just too naive to realize it."

A cold chill ran down my spine.

I turned to my mother, Margaret Monroe, who had been silent this whole time. "Mom?" My voice cracked slightly. "You're okay with this?"

She finally spoke, her tone unreadable. "Sienna, sweetheart, it's for the best. Julian is....."

"I don't care who he is!" I snapped. "I won't marry a man I don't love."

My mother's lips thinned. "Love is a luxury, not a necessity."

I let out a bitter laugh. "And you're happy with this life? With him?" I gestured toward my father.

Her expression didn't change. "Happiness is irrelevant. Power is what matters."

The words slammed into me. I felt like I couldn't breathe.

I turned back to my father. "I can't do this."

"You will," he said. "Or you'll lose everything."

My stomach dropped. "What?"

"You heard me." He exhaled another cloud of smoke, his smirk slow and cruel. "Defy me, and I'll strip you of your inheritance and your hard work. You'll have nothing."

My pulse roared in my ears. "You wouldn't."

"Try me."

Silence stretched between us, suffocating and thick.

I felt my world caving in.

I swallowed hard, my fingers trembling. I had spent years working toward taking over Monroe Enterprises, proving myself capable. The life I had built, the dreams I had fought for and now, all of it could be ripped away in an instant.My father knew exactly how to control me.

I forced herself to meet my father's gaze as I found it hard to breathe. I needed time. "Give me time to think."

His smirk didn't fade. "You have until tomorrow," he said. "After that, there's nothing left to discuss."

***********

I stormed out of the estate, barely registering the cold night air as I pulled out my phone.

Harper. I needed Harper.

I dialed her number. "Pick up. Pick up."

Voicemail.

I cursed under my breath. I needed to get out of here.

Flagging down a cab, I rattled off an address without thinking.

I needed to breathe, to think-to drown this anger in something reckless.

The car pulled up outside Celeste, the city's most exclusive nightclub. I didn't hesitate. The moment I stepped inside, the bass pulsed through my veins, and the scent of whiskey and expensive perfume wrapped around me like a drug.

"Sienna?"

I turned toward the bar, spotting Harper, my best friend, in a short red dress, holding a cocktail.

"What the hell are you doing here?" she asked, brows furrowing.

I slid onto the barstool beside her. "Trying to forget that my father just sold me off like a piece of property."

Harper's eyes widened. "Oh, hell no. Who?"

"Julian Castellanos."

She nearly choked on her drink. "You mean The Julian Castellanos? Ice-cold billionaire, rumored to ruin more companies than he builds?"

I groaned. "Yep."

Harper whistled. "Damn. If you're about to marry a soulless devil, we better make tonight count."

I smirked. "That's exactly the plan."

Harper signaled the bartender. "Two shots of your strongest."

I downed the drink without hesitation, the burn trailing down my throat.

And then I saw him.

A man leaned against the VIP section, dressed in a sharp black suit, a glass of whiskey in hand. Dark hair, sharp jawline, piercing blue eyes. He was watching me.

My pulse quickened.

"Who is that?" I murmured.

Harper followed my gaze. "No clue. But damn, he looks dangerous."

Exactly what I needed.

I grabbed my second shot, downed it, and stood.

Harper's eyes widened. "Sienna, wait...."

Too late.

I walked straight toward him, heels clicking against the floor. He didn't look away. Didn't even blink.

I stopped in front of him, tilting my chin up. "You've been staring."

His lips curled slightly. "And you walked right over."

His voice was deep. Smooth. Dangerous.

I arched my brow. "Should I be worried?"

He leaned in, his breath warm against my ear. "That depends. Do you like playing with fire?"

Heat licked down my spine.

"Maybe."

"Good." His gaze dropped to my lips before flicking back to my eyes. "Because I don't do soft, sweetheart."

My heart pounded.

This wasn't me. I wasn't reckless. I wasn't impulsive.

But tonight, I needed to be.

"Dance with me," he murmured.

I didn't think. Didn't hesitate.

He took my hand, pulling me onto the dance floor. His grip was firm, his body close. He moved with effortless confidence, his touch possessive.

"Do I get a name?" I asked, breathless.

A smirk. "Stranger"

"Stranger?". The name rolled off his tongue like a promise of sin.

My pulse thundered.

One night. Just one night before everything changed.

I leaned closer, lips brushing his ear. "Then ruin me, Stranger."

His grip tightened.

"Careful what you wish for, sweetheart."

And then he kissed me-hard, demanding, nothing soft about it.

I let myself get lost in it. In him. In the reckless abandon of this night.

I had no idea that this wasn't just one night. That this hot stranger would turn my world upside down in ways I couldn't begin to imagine.

(Sienna's POV)

"Tell me your name."

I smirked, swirling the golden liquid in my glass. "Now, where's the fun in that?"

The man beside me, tall, dark, and dangerously handsome, chuckled. His lips curled at the edges, his silver watch glinting under the dim bar lights. Everything about him screamed power.

He leaned in, whiskey-laced breath tickling my skin. "So, you like mystery?"

I took a slow sip of my drink, eyes locked on his. "I like control."

His expression darkened, amused and intrigued. "Is that right?"

I tilted my head, letting the silence stretch. Letting him wait.

Then, I leaned closer, my voice barely above a whisper.

"Are you going to keep talking, or are you going to do something about it?"

His eyes flashed.

And just like that, I knew I had him....

My back hit the cool glass window of his penthouse, his lips devouring mine like a man starved.

Strong hands gripped my waist, pulling me against his firm body. His touch was possessive, demanding exactly what I needed.

I let him take control this time, let him pin me against the glass, his breath ragged.

No names. No attachments.

Just fire and intense passion.

The first rays of dawn crept through the window as I sat up, brushing my hair out of my face.

He was still asleep, his breathing deep, steady.

I slid out of bed, careful not to make a sound.

Leaving before sunrise was my rule.

It was always easier this way, no awkward goodbyes, no expectations.

I put on my clothes, grabbed my heels and slipped out the door quietly.

************

Days Later

"You're getting reckless, Sienna."

Harper's voice barely registered as I took another sip of my cocktail, eyes scanning the room. Hunting.

I leaned back in my chair, my silk dress clinging to my curves. "Reckless is fun."

Harper sighed. "You're impossible. Your father would...."

"My father thinks I'm in bed, resting like a good little girl who's preparing for her wedding." I smirked, tilting my glass in a mock toast. "So, technically, I'm being obedient."

Harper gave me a look. "You're unbelievable."

I simply shrugged.

Then, I saw him.

A new stranger.

Dark hair. Sharp jawline. A presence that commanded the room without even trying.

Interesting.

Harper followed my gaze and groaned. "Oh, God. Sienna...."

I was already sliding off my chair. "Don't wait up."

She cursed under her breath. "You're insane."

I winked. "I know."

Hours Later.....

This one was different.

He wasn't just confident-he was dangerous.

His fingers traced the rim of his glass as he watched me approach, his smirk slow, deliberate.

"You don't waste time, do you?"

I slid onto the stool beside him, ordering a whiskey. "Neither do you."

He chuckled, shaking his head. "Most women play hard to get."

"Most women aren't me."

His gaze darkened. "No, they're not."

I felt it again. That brief, fleeting moment of hesitation.

A tiny voice whispering, This is getting out of control.

I drowned it with another drink.

My breath hitched as his hands traced my body, rough yet deliberate.

"You're trouble," he murmured against my skin.

I smirked. "And you're irresistible."

His low chuckle sent shivers through me. "You don't even know my name."

I pressed my lips to his neck, tasting the faint hint of whiskey. "And I don't need to."

His fingers tightened on my hips, and we both drowned in the fire.

I left before sunrise.

Again.

Three nights. Three strangers.

No names. No regrets.

But something felt... different this time.

A tension curled in my stomach, a strange feeling I couldn't shake.

Like a warning.

But I ignored it.

Because the only thing that mattered was that I was free. At least for now.

I stepped into the estate, slipping through the grand doors like a thief in my own home. The sun was just beginning to rise, casting an eerie glow through the vast hallways.

I was almost to my room when....

"Sienna." I froze.

My father stood at the top of the staircase, arms crossed, expression unreadable.

"Come downstairs," he ordered. "We need to talk."

My stomach dropped.

I followed him into the dining hall, where my mother sat in pristine elegance, a cup of tea in her manicured hands.

She glanced at me but said nothing.

Then, my father spoke. "The wedding date has been finalized."

Silence.

A ringing filled my ears.

He continued, unfazed by the way my fingers clenched into fists.

"In three weeks, you will be married."

Three weeks.

Three weeks.

Harper 's words from earlier echoed in my mind. "You're getting reckless, Sienna."

My heart pounded because what I didn't realize what I never even considered was that my recklessness had consequences.

And soon...I would come to regret them.

(Sienna's POV)

"No. No, no, no... This isn't real."

I felt my heartbeat thunder in my ears.

The cathedral was packed, every seat filled with Houston's elite.

Crystal chandeliers bathed the grand space in golden light, casting a warm glow over the guests, their murmurs like a distant hum. The scent of roses and expensive cologne filled the air, but I barely registered it.

I was supposed to be the perfect bride-poised, elegant, glowing with happiness.

But as I locked eyes with my groom at the altar, my world came crashing down.

Because second the man I had a reckless one-night stand with just weeks ago-was standing there.

As my husband-to-be. Julian Castellanos.

His shock mirrored mine.

His piercing blue eyes, once filled with sinful pleasure, now darkened with disbelief.

A muscle in his jaw clenched. His fingers curled into fists.

And then... his expression turned cold.

Like a switch had flipped.

Like I was nothing.

I tried to swallow, but my throat was dry.

Not only was I marrying a man I'd slept with, but from the way he stood there, it was clear he knew exactly who I was.

He knew.

And he looked at me like he hated me for it.

Oh God. Oh God.

How was this happening?

I forced myself forward.

I felt the blood drain from my face as I clutched the bouquet in my trembling hands.

I couldn't breathe.

I forced my legs to move down the aisle, step by step, my heart hammering so hard I thought I might pass out.

Julian didn't move. Didn't blink. His eyes never left mine.

They weren't filled with love. Or warmth.

Just ice.

But the moment I placed my trembling hand in his, his grip tightened-not out of warmth, but as if he was restraining himself from snapping my wrist.

Then, in a voice laced with venom, he whispered, "You're fucking kidding".

I barely had time to process Julian's words before I noticed the man standing behind him.

My breath caught.

I almost stumbled.

The best man... was the third man I had been with..

Oh My God.

My stomach dropped.

Julian's best man.

I had slept with both of them.

My vision blurred.

And then his best man lips curled into a dangerous smirk

A knowing smirk.

His gaze flickered over me like he was piecing things together.

I wanted to die.

The ceremony felt like a blur....

Vows were exchanged. Rings slipped onto fingers.

But every second, Julian's touch burned like a silent threat.

Julian barely looked at me. His words were sharp, clipped, devoid of warmth.

And when the priest said, "You may kiss the bride".

He hesitated.

Then pressed a brief, lifeless kiss on my lips before pulling away as if I disgusted him.

I held my head high, refusing to show how much it stung.

I had to get out of here.

The reception was loud laughter, clinking glasses, the soft hum of a violin in the background. Guests danced, toasted, and whispered about how stunning the new bride and groom were.

I needed to get out, my vision still spinning,

Slipping past the crowd, I stepped outside, inhaling the cool evening air.

Then, I walked straight into a tall, commanding figure.

"Are you blind?, watch where you're going," he snapped, his voice sharp.

I stumbled back, blinking up at him.

A young man should be in his thirties with streaks of silver in his dark hair, stared down at me with an irritated scowl. His presence was imposing, his expensive suit fitting his broad frame perfectly.

I didn't know who he was, but something about him made my skin prickle.

Before I could respond, he brushed past me, disappearing into the crowd.

I exhaled sharply.

I didn't realize I was holding my breath until another voice made my blood run cold.

I blinked.

Who the hell was that? I guess fate had other plans.

Because Julian's Best Man was already waiting for me.

I froze.

He leaned in so slightly, his whisper made my skin crawl.

"Well, well, well. Isn't this... interesting?"

His smirk was gone.

Now, his eyes were filled with something else.

Disgust.

"You must think you're real clever, huh?" His voice was low, dangerous.

My stomach twisted. "What?"

He took a slow, deliberate step closer.

"Sleeping with me," he continued, voice dripping with mockery, "knowing damn well you were marrying my brother?"

My heart stopped.

Brother?

The world tilted.

"You..." I swallowed. "You and Julian are..."

His jaw tightened. "Don't give me that act of surprise, sweetheart. Guess you didn't do your homework before spreading your legs, huh?"

My knees nearly gave out.

Holy Shit.

But before I could respond, a cold, commanding voice cut through the tension.

"What the hell is going on here?"

Julian.

His presence was like a force of nature-dark, overpowering, furious.

His gaze flicked between Dominic and me, sharp and unreadable.

I opened my mouth to explain, but he didn't give me the chance.

"Let's Go Home"

I turned as he stood at the entrance, his jaw clenched, his gaze burning.

Without another word, I walked past Dominic, but I could feel his eyes on me the entire time.

************

The bedroom was massive.

A luxury suite, fit for a king and queen.

But right now, it felt like a prison. Of course this was hell on earth, even if I haven't been to the real hell.

Julian stood by the window, his back to me, hands shoved in his pockets.

I waited.

For him to say something.

For him to acknowledge me.

Finally, after what felt like an eternity, he turned.

"Take off the dress."

My breath caught.

I wasn't sure what I expected.

But the way he said it cold, detached, emotionless made my stomach drop.

When I didn't move, his lips curled into a cruel smirk.

"What's wrong, Sienna?" His voice dripped with mockery. "You didn't have a problem stripping for me that night."

I flinched.

The air crackled with tension.

I wanted to fight back. To scream.

But I wouldn't give him the satisfaction.

So I lifted my chin. Defiant. Unyielding.

"You think this marriage is a punishment for me?" My voice was steady, even. "Fine. But just remember, Julian you're stuck with me too."

His eyes darkened.

And I knew at that moment.

This war had just begun....