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As Selena Gomez accepted the Choice Music Group award onstage during the Teen Choice Awards yesterday, dozens of celebrities sang “Happy Birthday” to the starlet who turned 20! Us Weekly. Check out the complete list of Teen Choice Awards Winners 2012 here! Teen Choice Awards. Justin Bieber revealed the cover for his new photo book, Justin Bieber: Just Getting Started, available September 13. Disney Info. Arthur Ashe Kids’ Day is the U.S. Open’s pre-tournament celebration for families. This event is taking place in NYC on August 25th, and will feature performances from stars such as Carly Rae Jepsen, Owl City, and The Wanted. For those of you who can’t tune in, the event will be airing on CBS. BSC Kids. American model and ballet dancer Karlie Elizabeth Kloss will be featured in the new fall 2012 ads for Lebanese designer Elie Saab. NY Magazine.