This was a request. Sorry to the person who requested this. I haven't been on because of school. .

Disclaimer: I don't own adventure time or these songs. This is only for entertainment purposes. I only own my oc Nicole.

Taylor Swift- Speak Now sung by Fionna

"OH MY GLOB! Marceline you look so beautiful!" "Shut up LSP." Marceline blushed. "Well it's the truth." said LSP with her hands on her hips.

Meanwhile…

*sniff sniff* "Why Marshall, why?" "Why did you choose Marceline?" cried Fionna. She was in her room with her head stuffed in her pillow.

"Babycakes it's gonna be fine." said Cake. "No it won't." "Baby girl you better stop cryin' your eyes will get swollen." "C'mon cheer up. I hate seeing you like this." Fionna lifted her head and wiped the tears off her face.

"If you want I can beat that vampire boy up after their honeymoon." Cake suggested. Fionna started crying again. "Oh baby I'm sorry." "No, I'm fine."

"Don't lie to me!" shouted Cake. "You know I have had this happen to me before and mom told me, 'There is a thing called a first love, but there isn't such a thing as a last love." "But Cake, I love him so much."

"I'm going to the wedding."

At the wedding

"Oh my glob it's almost over where's Fionna?" asked LSP. "Maybe her poor little heart couldn't take it." said Gumball. "Oh look! It's the part!" shouted LSP. "SHHHH!" "Ok, ok! Glob."

"Do you Marceline the Vampire Queen take Marshall Lee the Vampire King as your lawfully wedded husband?" "I do." "And do you Marshall Lee the Vampire King take Marceline the Vampire Queen as your lawfully wedded wife?" "I…"Wait!"

"Oh my glob! Fionna!" shouted LSP. "Drama bomb." Fionna walked into the crowd and looked at Marshall. "Fionna." said Marshall."Why are you here?" "I am here because I have something to say." "Well more like sing."

I am not that kind of girl

Who should be rudely barging in

On a white veil occasion

But you are not the kind of boy

Who should be marrying the wrong girl

I sneak in and see your friends

And her snotty little family

All dresses in pastel

And she is yelling at a bridesmaid

Somewhere back inside a room

Wearing a gown shaped like a pastry

This is

Surely not what you thought it would be

And I lose myself in a daydream

Where I stand and say

Don't say yes, run away now

I'll meet you when you're out

Of the church at the back door

Don't wait or say a single vow

You need to hear me out

And they said "speak now"

Fond gestures are exchanged

And the organ starts to play

A song that sounds like a deathmarch

And I'm hiding in the curtains

It seems that I was uninvited

By your lovely bride-to-be

She floats down the aisle

Like a pageant queen

But I know you wish it was me

You wish it was me (Don't cha?)

Don't say yes, run away now

I'll meet you when you're out

Of the church at the back door

Don't wait or say a single vow

You need to hear me out

And they said "speak now"

Don't say yes, run away now

I'll meet you when you're out

Of the church at the back door

Don't wait or say a single vow

You need to hear me out

And they said "speak now"

Oh oh oh! (said speak now)

I hear the preacher say

"Speak now or forever hold your peace"

There's the silence, there's my last chance

I stand up with shaking hands

All eyes on me

Horrified looks from

Everyone in the room

But I'm only looking at you

I am not that kind of girl

Who should be rudely barging in

On a white veil occasion

But you are not the kind of boy

Who should be marrying the wrong girl!

(Ha!)

So don't say yes, run away now

I'll meet you when you're out

Of the church at the back door

Don't wait or say a single vow

You need to hear me out

And they said "speak now!"

And you say

Let's run away now

I'll meet you when I'm out

Of my tux at the back door

Baby I didn't say my vows

So glad you were around when they said

Speak now

Marshall had walked down the aisle and held Fionna's hand. They looked into each others eyes and smiled.

"So um Fi, you do know that meeting at the back door isn't my style right?" "No. No I didn't" she smiled. He lifted her in his arms and they flew out of the room.

Marceline stood there in shock. "What just happened?" "Oh um, Marshall still loves Fi." said LSP. "Shut up!" "You know what girlfriend you shut up!" "Whoa I made a…drama bomb~."

They flew up into the night sky. "Wow it's so pretty." said Fionna. "Not as beautiful as you." said Marshall. "Marshy that was cheesy. Wait a minute Marshall being cheesy?" "It's all because of you." He leaned in closer and they closed their eyes. They kissed and fireworks flew into the sky.

Back at the treehouse Cake looked out the window. "Oh, my babycakes. She did it. She got her man back." said Cake whipping a tear. "Oh look it's her first kiss." "Wait a minute." "WHY IS THAT VAMPIRE BOY KISSING MY SWEET BABY SISTER!"

Thanks to the person who requested this because I actually had fun doing this. Hope you liked it. Thanks to the people who read the songfics too. :D Review and request/suggest. :)