For so long they hardly knew each other...

Shows Sharpay entering East High, smiling as she walks down the hall

Shows Gabreilla smiling sweetly at her father

Now, they're forced to...

Shows Sharpay and Gabreilla hugging awkwardly

"Hey Gabby, I havn't seen you since our parents wedding."

"Yeah, how's mom been?"

Now the two step-sisters will learn the importance...

Shows Sharpay dragging Gabriella to the window

"Go ask him out, right now."

"I can't."

"Fine. I'll do it."

of family...

Shows Gabriella and Sharpay arguing

"You can't just live in the shadow. Try being the light."

"That's you Sharpay. Not me. You're the perfect one."

"It's not all as perfect as it seems Gabby."

And of living for the small things...

Shows Sharpay kissing Troy's cheek

Shows Gabriella shyly talking to Ryan

Because you never know what's going to happen next...

Shows Sharpay crying as Gabriella looks shocked

"You...you have cancer?"

"Yes."

"Why didn't you tell me Sharpay? How could you keep this from me?"

"Gabby...you're the first to know."

Now they will have to learn...

Shows Troy taking Sharpay's hand as they stand infront of a crowd, both with unreadble expressions

Shows Ryan kissing Gabriella

What it means to be sisters...

Shows Gabriella and Sharpay watching their parents re-new their vows, tears in their eyes

Shows Gabriella watching Sharpay as she runs in the rain, a smile on her face

Shows Sharpay and Gabriella hugging, both crying

Ashley Tisdale as Sharpay Evans...

Shows Sharpay spinning while outside in the rain, laughing

"I'm nothing special. I'm just another girl trying to listen to her heart."

Vanessa Hudgens as Gabriella Montez...

Shows Gabriella taking Sharpay's hand

"There's nothing in this world that could make me give up on you. You're my sister and I love you."

Zac Efron as Troy Bolton...

Shows Troy hugging Sharpay, kissing her forehead

"I know the fact that we still have a year before we're actually adults makes this sound a little crazy...but would you consider marrying me?"

Lucas Grabeel as Ryan Trestan...

Shows Ryan comforting Gabriella as she cried

"Shh, baby, I'm here. It'll all be okay. I promise."

In...

"You know Shar, you're a pretty awseome sister after all."

"Right back at ya Gabster."

"Yeah, let's not do nicknames."

Shows Sharpay and Gabriella laughing and hugging

Sister To Sister

Shows Gabriella and Sharpay looking out their window at the stars

"I think the furtures pretty bright."

"As long as you're in it."

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I really want to write this, so please review! And if you have any questions, just ask.