BOO GAZING: CELEBS OUT: ALICIA KEYS, GABRIELLE UNION, LEBRON JAMES, SIMON COWELL, KATY PERRY & MORE

She's gonna party like it's (almost) her birthday! Rihanna, who turns 26 this week, brings the drama in a short black jumpsuit, embroidered jacket and metallic stilettos in Santa Monica, Calif.

LeBron James and Savannah Brinson attend GQ & LeBron James NBA All Star Party.

Keeping an eye on him: The 41-year-old cuddled up to her beau, who is 10 years her junior, at the GQ & LeBron James All Star Party at Ogden Museum's Patrick F. Taylor Library in New Orleans.

All white on the night: Gabrielle Union turned up at the NBA All-Star Game in the Smoothie King Center in New Orleans to watch her fiance Dwyane Wade play on Sunday.

Meagan Good attends M.S Entertainment and Hairfinity hosted by Chris Paul and Megan Good during NBA All-Star Weekend 2014.

Alicia Keys cuts the ribbon with a pair of giant scissors at the opening of the 2014 International Toy Fair at the Jacob Javits Center in New York City.

She's got the moves! Heidi Klum puts a new spin on sports when the Harlem Globetrotters – including Scooter, Stretch and Big Easy – stop by L.A. on their 2014 world tour.

John Mayer and Katy Perry keep their Valentine's Day festivities going as they sip, shop and stroll through Hollywood for a dressed-down.

Eva Longoria gives beau Jose Antonio Baston her kiss of approval as the couple steps out for brunch in Santa Monica, Calif.

Jimmy Fallon gets ready to take on his new gig at ‘The Tonight Show’, he still makes time for important business like walking his dog on a snowy day in New York City.

Simon Cowell and Lauren Silverman take newborn son Eric Cowell home in New York City.

'They're having fun': Julianne Hough was spotted strolling hand-in-hand with her rumoured Valentine Brooks Laich at Disneyland in Anaheim.