Bow Wow performed a few of his songs live including his new hit single “Sweat” at Rain Nightclub inside the Palms Friday night.

Flavor Flav was spotted last night at Surrender Nightclub inside Encore Las Vegas partying with Surrender resident DJ Lil Jon, who performed a crowd-pleasing high energy set.

On Friday night, 1 OAK held its kick-off party for its grand opening weekend. Katy Perry, Markus Molinari, Paris and Nicky Hilton, David Arquette joined by girlfriend Christina McLarty, Patricia Arquette, Rosetta and Balthazar Getty, Scott Disick, Chris Evans, Christina Milian, Shenae Grimes, Michelle Trachtenberg and more were on hand to help with the celebration at the new club at the Mirage.

On Friday night, Buca di Beppo’s Excalibur location immortalized Holly Madison, star of “Peepshow,” Laura Croft, host of “Night School 4 Girls,” Frank Marino, star of “Divas Las Vegas” and recent appearance on “Millionaire Matchmaker” and Nathan Burton, star of “Nathan Burton Comedy Magic” in marinara sauce.

HBO headed to Mandalay Bay Thursday night to celebrate the release of its new original series, “Luck,” a behind-the-track look at the world of horse racing starring Dustin Hoffman and Nick Nolte, from acclaimed director Michael Mann and “Deadwood” creator David Milch.

President Barack Obama stayed at the Element Hotel in Summerlin last night. He ordered 12 pizzas and some cannolis from Dom DeMarco’s Pizzeria & Bar for his staff and himself.

Last night at Surrender Nightclub inside Encore Las Vegas, the cast of performers and crew of “Le Rêve – The Dream” celebrated the production’s 3,000th performance at Wynn.

WWE wrestlers Wade Barrett and Drew McIntyre were spotted enjoying “Blue Man Group” at the Venetian last Thursday.

The MGM Grand is about to get another Chinese restaurant. Hakkasan, which has Michelin-starred restaurants in London, plans to take over the Studio 54 space at the resort, opening in December.