Ashley Tisdale & Lucas Grabeel Confess They Hated Each Other During 'High School Musical'!

Ashley Tisdale and Lucas Grabeel recently reunited to to sing one of their iconic duets from High School Musical, AND we learned so much more about them.

Like the fact they actually hated each other while they were filming the first movie.

“All I remember is, we were not close. We were not good friends,” Ashley, who played sassy Sharpay, confessed, before laughing, “It’s been 10 years, we can totally talk about this. We hated each other.”

“Yeah, we didn’t get off on the best foot,” Lucas, who played Ryan, Sharpay’s twin brother, agreed.

By the time they got finished filming the movie, though, things had definitely changed.

“After we wrapped though, I’ve always had a love for you,” Ashley said to Lucas.

“I love you, too,” he admitted sweetly.

Aw! See the entire video — including their duet of “What I’ve Been Looking For” — right here.

Click inside to see vintage Ashley and Lucas…