East All-Star Terrence Ross of the Toronto Raptors competes in the slam dunk contest during the NBA basketball All-Star weekend in Houston, Texas, February 16, 2013.
Toronto Raptors guard Terrence Ross was crowned 2013 Sprite Slam Dunk champion .
Kyle Terada-USA TODAY Sports/Reuters
Pop singer Katy Perry has made a big impact on the music scene in the few years she has been around. In celebration of her 30th birthday on Saturday, join us for a look at her career so far.