Katie Holmes to appear on "So You Think You Can Dance"

Katie Holmes will perform on the August 6th finale of So You Think You Can Dance, according to several news sources.

Holmes' will perform "Get Happy" in a tribute to Judy Garland, the number choreographed by Tyce Diorio and directed by Nygel Lythgoe.

"It was taped last week," said an on-set source, according to eonline.com. "It's going to be on the finale. It's a Broadway does Hollywood number. It opens on a Broadway stage and then she walks into a Hollywood studio."

Read several articles on Holmes appearance:

Report: Katie Holmes to appear on 'So You Think You Can Dance

Katie Holmes' SYTYCD Gig: "She Was Amazing"

Katie Holmes thinks she can dance, and will do so on television

Dunzo! Katie Holmes on 'So You Think You Can Dance'