Topix — Britney Spears new Las Vegas show, 'Piece of Me,' kicked off Friday with a mission to take the residency to a younger demographic. more info

411 Mania — Is Perry not having any fun? more info

L.A. Times - Pop & Hiss — LAS VEGAS — One down, 99 (or so) to go. more info

E! Online — It's show time for Britney Spears! The pop icon kicked off her two-year Las Vegas residency on Friday, Dec. 27 at Planet Hollywood Resort & Casino in front of an adoring... more info

People.com — The 21-song set features hits, great dancers and lots of lip-syncing more info

USA Today Music — With elaborate sets and showy choreography, the pop star's Vegas kickoff electrified. more info

People.com — "Can't believe the 1st show is almost here!!!" she writes more info

Big Apple Music Scene — Can we all stop pussy-footing around for a second and admit that Britney Spears will almost certainly be lip syncing her way through her entire Las Vegas residency? No I mean it, guys -- take those cats off your feet and sit down next to me for som... more info

Big Apple Music Scene — Her new album was released to the worst sales of her career. Now it looks like even her recent documentary I Am Britney Jean was a flop. But don't tell Britney that. No, seriously, could you guys make sure to not tell Britney about any of this? More ... more info

E! Online — It's almost show time for Britney Spears! The pop princess shared a behind-the-scenes look on Twitter as she rehearsed the day before launching her highly anticipated Las Vegas... more info