The 2010 American Music Awards are taking place in LA tonight with tons of stars expected to present, perform, and enjoy the show. Red-hot Rihanna and newlywed Katy Perry will each take the stage as will award show veteran Usher. Taylor Swift will sing another hit from Fearless, and Burlesque star Christina Aguilera is expected to share something from the soundtrack. Enrique Iglesias will get the crowd going with "Baby, I Like It," while mom-to-be Pink may tone down her acrobatic stunts. With the announcement of their upcoming tour, NKOTB and Back Street Boys, will share the spotlight and it seems like most of you are looking forward to it. We'll be there on the red carpet so make sure to follow us on Twitter and stay tuned for exciting news and photos all night. So tell us — which AMA performance are you most excited to see tonight?