YEAH, IT'S MY B-DAY!

Britney Spears celebrates her 26th Birthday today!

This is her at a party on Sunday night looking super excited! The party, held at a gorgeous home in Bel Air was hosted by Sharon Stone for introducing new bands, but quickly turned into Britney's 26th birthday bash after her arrival.

Britney arrived at 10pm with Sam Lutfi and BFF/cousin Alli Sims.

Aroud 11pm, Britney received a chocolate cake with “Happy Bithday Britney” written on it and her friends joined her table to sing “Happy Birthday”.

Around 11:30pm, Paris Hilton arrived and joined Britney's entourage. The group left a couple hours later and continued partying it up til sunrise, at the Four Seasons in Beverly Hills, on Brit's balcony!