Sources reveal exclusively to PerezHilton.com that Ellen DeGeneres taped a surprise routine last night for So You Think You Can Dance with All-Star tWitch and she did a great job!
Apparently the two recreated the hip-hop piece tWitch did with contestant Alex Wong before he got injured.
"Ellen's been rehearsing for a month for this," and insider tells us.
It's airing tonight!
Can't wait to check it out!
[Image via AP Images.]