Jesse Tyler Ferguson Guest Judges, Jason Mraz Performs on Tonight's SYTYCD
Tonight, Aug. 27 800-1000 PM ET livePT tape-delayed, on FOX, the Top Four - Zack Everhart, Jessica Richens, Valerie Rockey and Ricky Ubeda - will be paired up with All-Star Partners to perform for America's votes, leading up to the highly-anticipated Season Finale airing Wednesday, Sept. 3 800-1000 PM ET livePT tape-delayed.