My Sister Hijacked My Wedding for Her Pregnancy Announcement – I Waited Until Her Gender Reveal & Got the Last Laugh

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I had never been a petty person in my life—until my sister Amanda hijacked my wedding.

She told me beforehand, straight-faced and grinning, “I think I’ll announce my pregnancy at your wedding. It’ll be fun!”
I told her firmly, “Please don’t. That’s not okay.”
But Amanda didn’t care.

She did it anyway.

I didn’t yell or make a scene that day. I didn’t confront her in front of everyone or ruin my own moment. No, I waited. I waited until her gender reveal party. And when the perfect moment arrived, I gave her a taste of her own medicine.

Let me take you back.

Amanda had always been like this. Ever since we were kids, she made sure she was always the center of attention. My birthdays, my graduations, even simple family dinners—Amanda found a way to turn the spotlight onto herself. And she always did it with a smile that made it look almost innocent. But not to me. I saw through it every time.

So when my wedding day was approaching, and I was finally getting the chance to celebrate my love, my new beginning—with my husband Mark—I made it clear: I would not let Amanda steal this one from me.

But, of course, she had other plans.

It all started two weeks before the wedding.

Mark and I had been trying for a baby for eight months. Test after test came back negative. The disappointment had started to sink in, and then—finally—two little lines. I was pregnant. I cried, Mark cried, and we held each other in disbelief. I was going to walk down the aisle, carrying his child. It felt like a dream.

We decided we’d quietly announce it during the wedding reception, during the speeches. Only my parents and my maid of honor knew.

Then Amanda showed up at Sunday brunch.

She swept into the café like royalty, sunglasses on, her smile too wide, her presence loud. She dropped into the booth across from me, threw her arms out, and beamed.

“Sooo… I have exciting news!” she said dramatically.

I raised an eyebrow. “What is it?”

She held up her hands like she’d just won a game show. “I’m pregnant!”

I blinked. Part of me was truly happy for her. She and her husband had been trying, too. But the way she shouted it—loud enough for other tables to turn and stare—made my heart sink.

“That’s great,” I said with a strained smile. “I’m happy for you.”

But Amanda was already preening, flipping her hair and smiling at everyone nearby like she was on a red carpet.

Then, she leaned forward and whispered, “I was thinking… I’ll announce it at your wedding. Since everyone will already be there. Perfect timing, right?”

My fork froze halfway to my mouth.

“Please don’t, Mandy,” I said softly but seriously. “It’s my wedding.”

Her smile twitched. For just a second. Then it bounced right back.

“Oh, come on. It’ll be fun! People expect a little drama at weddings anyway!”

I realized then—I’d have to tell her. About my pregnancy. She’d ruin the moment if I didn’t.

“Actually,” I said slowly, “Mark and I are expecting too. We were planning to announce it during the reception toasts.”

Her eyes narrowed. The mask dropped, just for a flash. Then she grinned—too wide, too fake.

“Oh? Well, I’m the older sister. Mine will probably be more of a shock, anyway.” She laughed, but there was no humor in it. “Plus, it’ll add excitement to your big day!”

My voice was tight. “No, Amanda. Please don’t.”

She rolled her eyes and waved me off. “Okay, okay. Don’t be so sensitive. Just an idea.”

My wedding day came in a blur of white lace, flowers, and joy. And Amanda’s silence.

I actually started to believe she was going to let me have this day to myself.

Big mistake.

At the reception, Mark and I sat together, ready to give our toast. I held my champagne glass—nonalcoholic, of course—and waited for the moment to share our beautiful secret.

Then, before I could even rise from my seat, I heard a clink of glass.

Amanda stood.

“Sorry to interrupt the lovely evening,” she said, practically shouting. “But I have news that just can’t wait!”

She placed a hand dramatically over her stomach and beamed.

“I’m pregnant! Baby’s on board!”

The room erupted.

People clapped. Cheered. Cried. Cameras flashed. Everyone surrounded her.

And I sat there in my wedding gown, stunned and forgotten.

And then—she winked at me.

Yes. She winked.

I stared at Mark. Tears burned in my eyes. He squeezed my hand.

“We can still—”

“No,” I whispered. “We’d look petty. And she’d say I stole her moment. Let her have it.”

I had spent my whole life letting Amanda have her moments.

But this time… this time, something changed.

In the weeks that followed, as my belly began to show, so did something else—something new. A quiet, burning determination.

When Amanda sent out her gender reveal invitations, I smiled.

This would be my moment.

Amanda’s party was, of course, over-the-top.

Balloon arches taller than people, a DJ blasting Taylor Swift remixes, signature pink and blue mocktails served in baby bottles. Seriously.

I wore a flowy blouse that completely hid my bump. At five months, I was definitely showing, but loose clothing works wonders.

Amanda drifted around the room like she was floating on a cloud, waving at guests and rubbing her belly like it was made of gold.

Finally, it was time for the big moment.

“Thank you all for coming to celebrate our miracle,” Amanda said into the mic. “Now, let’s find out if we’re having a little prince or princess!”

She cut the cake.

Pink spilled out like a waterfall.

“It’s a girl!” someone shouted.

Screams. Applause. Flashbulbs. Amanda smiled like a movie star.

That was my cue.

I stood up.

“I have some news to share, everyone!” I said.

The room hushed.

Amanda turned slowly, still holding the knife with pink frosting on it.

I stepped forward and pulled out a small photo frame from my purse. Inside: two perfect sonogram pictures.

“I’m pregnant too,” I said calmly, but loud enough for all to hear. “And… we’re having twins!”

Gasps filled the air.

Then chaos.

People shouted. Hugged me. Aunt Marie actually screamed. The DJ yelled “WHOA!” into his mic.

Amanda just stood there.

Frozen.

Knife in hand.

Pink cake forgotten.

She didn’t even stay to fake a smile. She spun on her heel and stormed out the patio door like a cartoon character with steam coming out of her ears.

For ten glorious minutes, all eyes were on me. And I soaked in every second.

Amanda eventually came back, looking furious. She marched up to me like a storm.

“You completely overshadowed my reveal!” she hissed, loud enough for half the room to hear.

I blinked innocently. “Oh no! Really? I didn’t realize.”

“You just had to make it about you, didn’t you?”

I shrugged. “I thought it’d be okay to share… since you announced your pregnancy at my wedding.”

Silence.

Her mouth opened, then closed.

Then she let out this wild scream—like a toddler having a tantrum—and stomped out of her own party.

The guests burst into laughter.

That was three months ago.

Amanda hasn’t spoken to me since.

It’s been the most peaceful three months of my entire life. No drama. No competitions. No forced smiles while she steals the moment.

Mark thinks I might’ve gone a little too far—but he can’t help chuckling every time someone brings it up.

Mom says we both need to apologize. Dad? He just smiles and changes the subject.

As for me? I sleep like a baby. A baby who’s expecting two of her own.

And for the first time in my life, Amanda can’t do a thing to upstage me.

Not now.

Not ever.