Pia Toscano to perform on Dancing with the Stars!

This is a first! A former contestant on the current season of American Idol will be performing on Dancing with the Stars!

TMZ is reporting that Pia Toscano will perform on DWTS for Mark Ballas!

From TMZ:

He's doing her, and now ... she's doing his show -- TMZ has learned, Pia Toscano will be performing on "Dancing with the Stars" next week ... and get this, her new BF Mark Ballas will dance to her music.

It's been in the works for a while -- but the President of Marketing and Communications at Fox Joe Earley initially put the kibosh on the collaboration ... but an hour ago, the deal was sealed.

Watch the video here: