U.K. singer Alexandra Burke was spotted at the launch of the Samsung Galaxy S Smartphone at Altitude Bar in London, England Tuesday (Jun 15).

Rapper 50 Cent took the stage for a performance at the Fillmore Miami Beach in Florida.

“Hot in Cleveland” actresses Valerie Bertinelli, Betty White, Jane Leeves and Wendie Malick rang the opening bell at the New York Stock Exchange in NYC.

Rapper Drake hosted an album signing and fan meet & greet for his newly released album Thank Me Later at a Best Buy in New York City.

Mel B posed for photos Monday (Jun 14) at the 2nd Annual “Dance Your Ass Off” Tour in Times Square.

Pro boxer Laila Ali brought along her family to the 21st Annual “A Time for Heroes” Celebrity Picnic benefiting the Elisabeth Glaser Pediatric Aids Foundation Sunday (Jun 13) in Los Angeles.

Actress Raven Symone attended the world premiere of “Kinect” for Xbox 360 in Los Angeles.

And singer and part-time disk jockey Solange Knowles hosted a special DJ set last Saturday (Jun 12) at Tao Beach at the Venetian Resort Hotel Casino in Las Vegas.