High School Musical Reunion Video: Ashley Tisdale, Lucas Grabeel Remix Their Classic Duet 11 Years Later

High School Musical fans lost their minds earlier this year when Ashley Tisdale teamed up with former co-star Vanessa Hudgens for a special duet — but maybe they should have saved some of that shock for Tisdale’s latest video.

In a new video posted to her YouTube channel on Tuesday, Tisdale reunites with HSM co-star Lucas Grabeel for a special remixed performance of “What I’ve Been Looking For,” which served as their characters’ audition song — albeit a much jazzier version — in the 2006 film.

Of course, there’s more than just the song for fans to enjoy in Tisdale’s video; the former on-screen siblings also spill some decade-old tea from the set… about themselves.

“We were not close,” Tisdale admits with a laugh. “We were not good friends, let’s be honest. It’s been 10 years, we can talk about this now. We hated each other. Like, I’m not kidding.”

“We didn’t get off on the best foot,” Grabeel added, also laughing. (Seriously, they’re good now, guys.)

Hit PLAY on the video above, then drop a comment with your reaction to the song — and the secrets! — below.