New Pic: Britney's Just Arrived!

New photos of vibrant birthday girl Britney Spears striding into her exclusive Birthday Party at trendy Club Tenjune in New York City -- tonight!

While photographers gathered outside, only "The Insider" was invited inside. Coming in minutes -- our exclusive video -- Britney with her birthday cake, ET's Kevin Frazier's one-on-one and interviews with Brit's pal and party-goer Lance Bass will be posted soon!

Keep checking back for the exclusive video you'll only see here on The Insider online!

Published 12/2/08 by