American Idol is about to meet 90210.

Haley Reinhart, a finalist on season 10, will guest star on an upcoming episode of The CW drama, with Interscope Records announcing the news today via Twtter:“@HaleyReinhart will perform #Free on 90210.”

"Free" is a ballad off Renhart's upcoming debut album.

90210, meanwhile, returns with a new episode on March 6. Check out photos from "Babes in Toyland" now.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.