R&B singer Usher headlined KIIS FM’s 2010 Wango Tango Concert Saturday night (May 15) at the Staples Center in Los Angeles.

The bill of performers also included Justin Bieber, Ludacris, Ke$ha, Akon, Adam Lambert, B.o.B. and Kelly Rowland. In addition, folks like Ryan Seacrest, Rob Kardashian, Jason Derulo and others were spotted posing for pictures on the red carpet of the annual concert event.

Check out 30+ pictures of everyone below and when you continue reading…

Look at 50 Cent getting his mainstream shine!

Rapper 50 Cent was all smiles for the photographers as he made his way down the red carpet of the premiere of Summit Entertainment’s new “The Twilight Saga: New Moon” movie Monday evening (Nov 16) in Westwood, California.

Other celebrities at the film’s premiere were Shar Jackson, co-stars Taylor Lautner and Kristen Stewart and more. Continue reading for the rest of the pics!

Tyrese and Soulja Boy posed for a pic together as they walked the red carpet of the 2009 MTV Movie Awards, held this past Sunday (May 31) night at the Gibson Amphitheater in Universal City, California. Other celebs who hit up the annual event include: Keke Palmer, Will Ferrell, Lil Mama and more. Much more pics from the red carpet, backstage and the show can be found when you continue reading. Oh and if you missed it, get a load of Sacha Baron Cohen putting Eminem at the butt end (literally) of a hilarious (we think it was pretty funny) joke by clicking here!

PHOTOS: WIRE IMAGE // GETTY IMAGES