PopSugar — Britney Spears's 27th birthday got off to a great start as she performed on Good Morning America today. Britney showed off those famous abs of hers singing "Womanizer" and introducing the hot title track "Circus" to officially launch her album. Rees... more info

ET Online — Britney Spears celebrates her 27th birthday in grand circus style at her live U.S. television comeback debut! Britney appeared on ABC's "Good Morning America" dressed as a ringmaster to perform a number from her new album Circus, making a dr... more info

People.com — In March, the singer will kick off her first live-concert tour in five years more info

NME — Take That's new album 'The Circus' is currently on course to beat Britney Spears' new album to the Number One spot next Sunday (December 7) in the UK albums chart. more info

NME — Take That's new album 'The Circus' is currently on course to beat Britney Spears' new album to the Number One spot next Sunday (December 7) in the UK albums chart. more info

The Newsroom — Arrest made in Jennifer Hudson murder case, Kirsten Dunst wins restraining order against stalker, Britney Spears ranks as most popular on Yahoo!. (Dec. 2) more info

The Newsroom — Twilight actors caught smoking pot and drinking, Britney Spears continues her comeback, Amy Winehouse husband agrees to walk away, and Donnie Wahlberg near death experience! more info

Yahoo! Music — Reuters - Britney Spears starred in her own "Circus" on Tuesday, performing songs from her new album of that name under a big top in New York City, unveiling plans for a 2009 tour and celebrating her 27th birthday. more info

Reuters — NEW YORK (Reuters) - Britney Spears starred in her own "Circus" on Tuesday, performing songs from her new album of that name under a big top in New York City, unveiling plans for a 2009 tour and celebrating her 27th birthday. more info

MTV.com News — As Yahoo!, iTunes and a cable on-demand service release their year-end charts, the results are all over the place.By Gil Kaufman Chris Brown Photo: Kevin Mazur/ WireImage A long, long time ago, say, in 2001, when a massive pop band like 'N... more info