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

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I’ve never been the kind of person to do anything petty. Ever. But that changed the day my sister Amanda hijacked my wedding with the most selfish move I’d ever seen.

She announced her pregnancy—at my wedding.

And not by accident or surprise, either. She planned it. She told me in advance and said, “It’ll be fun!” like she was doing me a favor.

I told her no. I was firm. “Don’t do it, Amanda. This is my day.”

She smiled and said, “Okay, okay. Just an idea.”

But she did it anyway.

Amanda has always been that way. Ever since we were kids, she hated not being the center of attention. She’d steal the spotlight at every birthday party, every graduation, every school event. She’d even cry at my special events just to get the attention back on herself.

But this time, she went too far.

So, I waited. I bided my time. And when she invited me to her big gender reveal party, I knew what I had to do.

I was going to give her a taste of her own medicine.

Let me take you back to how it all started—two weeks before my wedding.

Mark and I had been trying for a baby for eight months. Month after month, we got our hopes up, only to see another negative test. Then, finally… it happened.

We were pregnant.

I couldn’t believe it. I was marrying the love of my life and carrying his child. It felt like everything was perfect.

Until Amanda showed up for brunch.

She walked into the café like a movie star entering a red carpet event. She flung her bag onto the seat and slid into the booth across from me with a huge, gleaming smile.

“Sooo,” she said dramatically, “I have exciting news!”

She raised her hands and shouted, “I’m pregnant!” loud enough for the whole restaurant to hear.

I blinked. “Oh… wow. That’s great, Amanda. I’m happy for you.”

Truthfully, I was happy for her. She and her husband had been trying too. But the way she shouted it like she was accepting an Oscar made my stomach twist.

People were staring. She was loving it. Tossing her hair, grinning like she was famous.

Then, she leaned across the table and whispered, “I was thinking… I’ll announce it at your wedding! Since everyone will already be there. It’ll be perfect!”

My fork froze halfway to my mouth. That wasn’t a question—it was a plan.

“I’d rather you didn’t, Mandy,” I said carefully.

Her smile faltered for half a second. Then it snapped back in place.

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

I realized something right then. I couldn’t stay quiet. I hadn’t told Amanda yet that I was pregnant too, because I knew how she was. But now… I had to say something.

“Actually,” I said slowly, “Mark and I are expecting too. And we were going to announce it during the toasts.”

Amanda blinked. Her expression changed just slightly—just enough for me to see the jealousy creeping in.

“Oh?” she said sweetly. “Well, I’m the older sister. Mine will probably be more of a shock anyway.” She gave a fake little laugh. “Plus, it’ll add excitement to your big day!”

My fists clenched in my lap.

“No, Amanda. Please don’t.”

She waved her hand like I was overreacting. “Okay, okay. Don’t be so sensitive. It was just an idea.”

Wedding Day.

I told myself it would be okay. She promised she wouldn’t say anything. She even stayed quiet during the ceremony.

But at the reception…

Just as Mark and I were getting ready to make our toast and share our baby news with the people we loved most, Amanda stood up.

Clink clink clink. She tapped her glass and smiled like she was on a Broadway stage.

“Sorry to interrupt,” she said, loud and proud, “but I have some news that just can’t wait!”

She put a hand on her stomach. “I’m pregnant! Baby’s on board!”

The room exploded.

People clapped. Cameras flashed. Everyone ran up to hug her.

And there I sat—in my wedding dress—with tears in my eyes, completely ignored.

Across the chaos, Amanda winked at me. She winked!

I stared at Mark. He squeezed my hand.

“We can still tell them,” he said gently.

I shook my head. “We’d look petty. Then she’ll cry and say I ruined her moment.”

It was always like this with Amanda. She’d start the fire, then cry and play the victim when someone dared to say anything.

So I smiled. I clapped. I pretended to be thrilled—just like I’d done my whole life.

But something inside me snapped.

Over the next few months, as my baby bump grew, so did a brand-new feeling. Not just sadness. Not just hurt.

Revenge.

When Amanda’s over-the-top gender reveal invitation landed in our mailbox, I didn’t hesitate.

I knew what I was going to do.

The day of the party came.

The place looked like a baby shower thrown by Beyoncé’s event planner. Balloon arches touched the ceiling. A DJ blasted Taylor Swift remixes. Everyone was sipping pastel-colored mocktails out of baby bottles.

Amanda glided through the party like a queen, cradling her belly and soaking up compliments.

I wore a flowy blouse that hid my now very obvious bump. Mark and I hadn’t announced our pregnancy yet—not publicly.

And we definitely hadn’t told anyone that we were having twins.

Amanda took center stage with her husband beside her.

“Thank you all for being here to celebrate our little miracle!” she gushed into the mic. “Now… let’s see if it’s a prince or a princess!”

She cut into the beautiful white cake, and pink spilled out.

“It’s a girl!” someone shouted.

Everyone screamed, clapped, cheered. Amanda beamed like she’d won the lottery.

That was my cue.

I stood up and said clearly, “I have some news to share, everyone!”

Silence. Heads turned. Amanda’s smile froze like a statue.

I walked forward slowly, pulled a small picture frame from my purse, and held it up.

Inside were two ultrasound photos.

“I’m pregnant too,” I said with a smile. “And we’re having twins.”

The room exploded.

People screamed. Some gasped. One of our aunts actually yelled like she’d seen a ghost.

The DJ said, “Whoa!” into the microphone.

Suddenly everyone was crowding around me. Hugs, tears, laughter, applause.

Amanda stood frozen, still holding the cake knife with pink frosting on it.

I almost winked at her—but she turned and bolted for the patio before I could.

Ten glorious minutes passed. Ten whole minutes where I was the center of attention.

I’d waited my whole life for that moment.

But then… she came back.

Amanda stormed into the room, face red, eyes blazing. She marched straight up to me.

“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 had to make it about you, didn’t you?” she shrieked.

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

Her mouth opened. Closed. Her face twisted with rage.

And then, like a toddler throwing a tantrum, she screamed—an actual scream—and stormed out of her own party.

The guests looked around awkwardly for a second… and then started laughing.

That was three months ago.

Amanda hasn’t spoken to me since. And honestly? It’s been amazing.

No backhanded comments. No drama. No spotlight-stealing.

Mark thinks maybe I went a little too far, but he can’t help laughing every time it comes up.

Mom says we both need to apologize and grow up.

Dad just smiles and changes the subject.

Me? I sleep like a baby.

Because in a few short months, I’m going to have two babies. And for once, Amanda can’t steal this moment.

Not even if she tries.