Gaga is going Alien!

The latest buzz around Men in Black 3 is the confirmation of Lady Gaga's cameo appearance! Big names, like Steven Spielberg, Danny DeVito, George Lucas, Sylvester Stallone, Martha Stewart and Michael Jackson have already made appearances in previous parts of the movie, and now Lady Gaga and Justin Bieber will be adding their names to the list.We are way excited about MIB 3! Are you? Whose cameo are you most excited about?