A bunch of our favorite stars gathered in once place tonight (May 20) to perform on the season finale of 'Dancing With the Stars,' including Ariana Grande, Cody Simpson, Iggy Azalea and more.
The folks behind 'Dancing With the Stars' announced the cast for the upcoming season 17 Wednesday morning on 'Good Morning America,' and there were some surprise names on the list, including Bill Nye the Science Guy and Snooki herself.
The new cast of 'Dancing With the Stars' won't be announced until next week, but word is leaking out that singer-actress Christina Mllian and 'Glee' star Amber Riley will be among the celebs shaking their stuff in the ballroom.