There's no arguing Justin Bieber is a mega star, but we're sure he never would have imagined himself on stage with Stevie Wonder as a kid growing up in Canada. Little Biebs has sure come a long way! He'll share the stage with Mr. Wonder at a benefit for Stevie's charity, House Full of Toys in Los Angeles. Bieber's buddy Drake will also be performing too! Get your tickets while they're still on sale! Elsewhere on Twitter, Colbie Caillet was wishing Taylor Swift a happy 22nd birthday and Ms. Swift celebrated her big day in the studio working on her new album. Taio Cruz was also celebrating a big milestone with his third No.1 single in the U.S., 'Without You.' While David Guetta produced the track and Usher sings over it, Cruz actually helped pen the lyrics. Read what your favorite stars were chirping about today!