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It's almost mirror ball time!

Related: 'DWTS' Pro Derek Hough Will Need Surgery

Tonight the remaining five Dancing with the Stars: All-Stars competitors will tackle one ballroom dance, one Michael Jackson-themed Latin dance and one dance/theme chosen by another couple as the season 15 semi-finals kicks off.

Prior to Tuesday's elimination, ET will break down Monday's standout performances from Kelly Monaco, Melissa Rycroft, Emmitt Smith, Shawn Johnson and Apolo Anton Ono, and weigh in on which celebrities are likely to get the boot this week in the double elimination round.

Tune in to ET Tuesday for all the DWTS info! And don't miss our exclusive new interview with Taylor Swift. Plus, Kelly Preston opens up about her late son Jett.