ABC's "Dancing With the Stars" - Season 18 - Week Four

DANCING WITH THE STARS - "Episode 1804" - For the first time ever celebrities switched professional dance partners on "Dancing with the Stars," MONDAY, APRIL 7 (8:00-10:01 p.m., ET) on the Disney General Entertainment Content via Getty Images Television Network. This past week, America was given the power to vote and change celebrity and professional dance pairings and each star faced this new challenge. The new couples were revealed live for the first time throughout the evening. Additionally, two-time professional "Dancing with the Stars" champion, Julianne Hough, returned to guest judge for the second time alongside Len Goodman, Bruno Tonioli and Carrie Ann Inaba. (Photo by Adam Taylor/Disney General Entertainment Content via Getty Images) NENE LEAKES, DEREK HOUGH, CHERYL BURKE, JAMES MASLOW, DANICA MCKELLAR, MAKSIM CHMERKOVSKIY, MERYL DAVIS, VALENTIN CHMERKOVSKIY, TOM BERGERON, ERIN ANDREWS, CANDACE CAMERON BURE, TONY DOVOLANI, SHARNA BURGESS, CODY SIMPSON, DREW CAREY, WITNEY CARSON, MARK BALLAS, AMY PURDY, PETA MURGATROYD, CHARLIE WHITE