DENNIS QUAID is here! That's right, Ellen's favorite guest is stopping by, and he's always up for some fun. After all the hilarious hidden camera pranks they've played, you never know what'll be in store today!

Everyone's talking about NICKI MINAJ, and if you're not -- you will be! She's the hottest new hip-hop artist and is here to perform a hit song from her debut album.

Ellen knows her audiences are talented dancers, but that's not all they can do! Today she'll feature some of their incredible hidden talents -- that'll leave you wondering how (and why) they do it!