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NBA All-Star Weekend provides a lot of thrills for fans of the game. There was the the annual slam dunk contest, which, in case you missed, was won by Blake Griffin, when the Los Angeles Clipper rookie dunked an alley-oop pass while leaping over a car as a choir sang R. Kelly's "I Believe I Can Fly." I'm not kidding.
As you can see, the game can turn the biggest star into a fan. During Sunday night's East vs. West contest, the court was lined with celebs ooh'ing and ahh'ing at the action. And above we see America's sweethearts, Justin Bieber and Rihanna, looking pretty gobsmacked at something that just happened on the hardwood.
It was a big weekend for Rihanna, who both performed as the All-Star Game halftime show (along with Drake and Kanye West), but celebrated her 23rd birthday with pals like Katy Perry.
Not to be outdone, Justin had a pretty fine couple of days as well, picking up the MVP Award for the Celebrity All-Star Game on Friday night.
Check out two more shots of the pair, below.

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