Rihanna recently celebrated her 23rd birthday at a private party in Los Angeles. Jay-Z, Beyonce, Ryan Phillipe, Cee-Lo, Sean “Diddy” Combs, and Mary J. Blige are some of the people that came out to celebrate the Bajan beauty’s day. Guests were each given a special cupcake embedded with the Barbados flag. RiRi even had a ice sculpture with an “R” engraved on it. Rihanna spent the night mingling with her guests and playing Nintendo Wii.