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

VH1 News — Chris Brown, Britney Spears, Coldplay, Leona Lewis and Alicia Keys are all the top artists of 2008, according to charts released by iTunes, Yahoo! and others. more info

The Telegraph Blog — Britney Spears has launched two new perfumes for Christmas called Curious and Fantasy. Presumably Lipsync and Paparazzi were already taken. My bed ridden mother-in-law called to ask if I could pick some up as a present for one of her grand-daughters... more info

Buzzgrinder — I'm not joking right now. This is the release list for tomorrow. And I was being generous by including Blackout Beach because I have no clue who that is. So... how 'bout them Dodgers? :: Akon, Freedom (Universal) :: Blackout Beach, Skin of Evil ... more info

MTV.com News — Pop star announces 25 dates in North America and two in the U.K. next spring.By Gil Kaufman Britney Spears Photo: Andreas Rentz/ Getty Images Britney Spears is hitting the road. After four years of sporadic live performances and no touring... more info

VH1 News — Britney Spears announced the dates for her Circus tour, kicking off in New Orleans on March 3. more info

Popeater — Britney, the PopEater team wishes you only the best on your birthday and beyond. Here's to a drama-free 2009! more info

TMZ — Filed under: Britney Spears What Britney lacked in dance moves on "Good Morning America," she definitely made up for in the ab department.Spears brought her now infamous "Womanizer" strutting/arm-flailing routine to a new song, "Circus" but her sto... more info

Yahoo! Music UK — world entertainment news - Britney Spears has delighted fans by announcing the dates of the North American leg of her upcoming world tour - and she plans to take in twenty different cities. more info