ABC's "Dancing With the Stars" - Season 18 - Week Six [Getty Images]

DANCING WITH THE STARS - "Episode 1806" - It's an all out celebration on "Dancing with the Stars" as the celebrities got the party started MONDAY, APRIL 21 (8:00-10:01 p.m., ET) on the Walt Disney Television via Getty Images Television Network. The show kicked off with a spectacular opening performance followed by each couple dancing to some of the greatest party anthems of all time. Additionally, LMFAO frontman Redfoo was the guest judge alongside Len Goodman, Bruno Tonioli and Carrie Ann Inaba. (Photo by Adam Taylor/Walt Disney Television via Getty Images)
DEREK HOUGH, AMY PURDY

Walt Disney Television Adam Taylor