Pop Crunch — Madonna made a surprise appearance in the audience as Britney Spears’ Circus World Tour sit up the Big Top on Madge’s home turf of New York City Wednesday night. According to BritneySpears.com, the pop tart was thrilled to have the Material Girl ... more info

MTV.com News — With nods to 'Slave 4 U,' 'Toxic' and more, clip sums up Britney's career to date.By James Montgomery Britney Spears Photo: Jive Records Over the past few months, there's been off-the-charts buzz surrounding Britney Spears's new video for ... more info

Newsday — Before Britney Spears gives a lapdance to an audience member or gets sawed into three pieces or plays human Whack-a-Mole with her dancers, she stands still. It only lasts for a moment because soon, Spears will get trapped in a golden cage and go Boll... more info

Newsday — Didn't make Britney Spears' sold-out show last night? No worries, we've got video of her opening set and blow-by-blow of all the drama. more info

Straits TimesBritney Spears Has a Boyfriend, and It's...E! OnlineBritney Spears isn't confining her comeback to the stage. The Gimme More purveyor is at work on her personal life, too.Source: Britney Spears' Dancers Not Fired Over Failed Drug Tests A... more info

E! Online — Britney Spears isn't confining her comeback to the stage. The "Gimme More" purveyor is at work on her personal life, too. E! News has learned that Spears, 27, has been... more info

PopSugar — Gwen Stefani, Kingston, and Zuma accompanied Gavin Rossdale to the K Swiss Celebrity Charity tennis event near Palm Springs yesterday. After a weekend of running around shirtless, Gavin was little more covered up this time in a t-shirt bearing his ol... more info

E! OnlineVirgin Mobile USA to Debut Britney Spears' New Music VideoMSNBCWARREN, NJ - Virgin Mobile USA (NYSE: VM), a leading provider of both prepaid and postpaid wireless services and title sponsor of Virgin Mobile Presents The Circus Starring Britn... more info

AngryApe — Spears launches another video from her Circus album more info

Newsday — All eyes will be on Britney Spears in the center of Nassau Coliseum on Wednesday night as the pop megastar performs the first of two shows. more info