And then there were four: Dancing with the Stars' semi-finals aired Monday, as the show's prodigal son, Maksim Chmerkovskiy, sat in as a guest judge.

SPOILER: Who Was Eliminated On Dancing With The Stars?

Leah Remini was sent home, leaving a final quartet of Jack Osbourne, Bill Engvall, Corbin Bleu and Amber Riley.

"I take away so much. I have to thank dance par