Hugh Hefner Celebrates His 85th Birthday

Hugh Hefner celebrates his 85th birthday at the Playboy Club at the Palms Casino Resort April 9, 2011 in Las Vegas, Nevada with Anna Sophia Berglund and fiance Crystal Harris. Also pictured, Samantha Crawley, Cooper Hefner, Marston Hefner, and Claire Sinclair.

Credit: Wire Image

Britney Spears Takes The Stage In Las Vegas

Making her much-awaited return to the stage, Britney Spears offered up a comeback performance in Las Vegas, Nevada on Friday night (March 25).

Held at Rain nightclub inside the Palms Hotel & Casino, the pop princess was all business as she worked the stage with her dancers while performing three songs for a crowd of nearly 700 fans in attendance.

Credit: Celebrity Gossip

Britney Spears Will Perform in Vegas Tonight

She's baaaack!

Britney Spears is headinh to Las Vegas, NV today (Friday) to perform a mini concert at Palms Casino Resort's Rain Nightclub, which will be filmed for an upcoming MTV special.

Spears, 29, took to her Twitter account on Friday morning to confirm the rumors that she'll indeed be onstage in Sin City.

"Looks like my little secret isn't a secret anymore," Spears Tweeted, before asking who of her more than 7 million Twitter followers will be attending. "You're all invited. Be there or be square bitch!"

Hotel and nightclub executives have been tightlipped about what the show will entail, but PEOPLE has learned that Spears will take to the stage twice Friday – once at 8 p.m. in a ticketed event, then again at midnight for a performance that will be open to the public.

The appearance in Sin City comes just days before the release of Spear's new studio album, Femme Fatale, which will debut Tuesday.

Credit: PEOPLE (Mary Gray)