Rihanna Shines at NBA All-Star Half-Time Show (PHOTOS)
Rihanna – who celebrated her 23rd birthday at the event – shimmied and shaked for the audience, which included such stars as Jay-Z, Beyonce and Justin Bieber. Later, RiRi was spotted chatting with Bieber who was more than happy to show the singer something on his phone.
What do you think of Rihanna's sexy half-time outfit? Check out the full gallery and share your thoughts in the comments.