The Cromwell
Iggy Azalea gives a surprise performance at Drai's Nightclub.
iHeart Radio Music Festival
Anna Faris and Chris Pratt lock lips at the MGM Grand Resort and Casino. (See more from iHeart here!)
Encore Beach Club
Nick Jonas helps bro Joe Jonas celebrate his birthday at Encore.
Planet Hollywood
Britney Spears wows the crowd with her performance (and body!) during her return to her hot ticket residency Piece of Me at the Vegas hotel.
Hard Rock Hotel & Casino Las Vegas
Neon Trees attends the unveiling of their first memorabilia display.
World's Largest Bachelorette Party
Brandi Glanville parties at TAO Beach.
Azure Luxury Pool
Jenny McCarthy gives us a good view of her hot bod at The Palazzo Las Vegas.
Aria
Pauly D celebrates his birthdy with a cake and a deejay set at Haze. He did the same earlier in the day at the resort's Liquid Pool Lounge.
The UFC 175
Kellan Lutz, Dolph Lundgren and Victor Ortiz came out to support their Expandables 3 co-star, UFC bantamweight champion Ronda Rousey.
Tao Nightclub
Khloé Kardashian celebrates her big 30th birthday with beau French Montana.
Hakkasan
Calvin Harris keeps the party going at the MGM Grand hot spot, part of a six-day EDM extravaganza in honor of Sin City's annual Electric Daisy Carnival.
Beacher's Madhouse at MGM Grand
Where better for the L.A. Kings to celebrate their second NHL championship in three years than Vegas?! Jarrett Stoll shows off the Stanley Cup (which can probably hold a lot of Beau Joie champagne) with host Jeff Beacher.
Simon G. Soiree
Melissa Rycroft and Cheryl Burke model their bling at the jeweler's bash.