A major sibling rivalry is breaking out on Dancing with the Stars.

While Derek Hough and partner Brooke Burke have been atop the scoreboard all season long, a new tandem is hot - really hot! - on their trail: Julianne Hough and Cody Linley earned their first perfect score of the season last night.

Who else performed well, or terribly? We've got the answer now in this Dancing with the Stars recap.

Derek Hough, Brooke Burke, Julianne Hough and Cody Linley might be headed for a finals showdown.

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