Britney Spears to Sing and Dance Live on Cindy Lauper Tour

Britney Spears is set to "surprise" fans with a one-off appearance on Cyndi Lauper's True Colors tour when it stops in Los Angeles on Saturday. The singer will perform one song at the Greek Theatre gig, which will also feature Lauper, Erasure, Debbie Harry, The Dresden Dolls and The MisShapes with Jeffree Star.

Britney Spears will take to the stage with two female background dancers, her choreographer Misha Gabriel tells website www.People.com. She last appeared live in May, when she lip-synched her way though a series of brief 15 minute concerts at the House of Blues.

Britney Spears 2007: Personal struggles and career activities

In January, Spears lost her aunt Sandra Bridges Covington, with whom she was very close, after a long battle with breast cancer. On February 16, 2007, Spears entered an off-shore drug rehabilitation facility in Antigua. She stayed, however, for less than twenty-four hours. . . The following night, Spears went to a haircutting studio in Tarzana, California and subsequently shaved her own hair off with clippers. A few days later, on February 20, 2007, Spears admitted herself to a treatment facility in Malibu, California. A statement by her manager read, "We ask that the media respect her privacy as well as those of her family and friends at this time."

naked Britney Spears left the facility briefly but returned on February 22, 2007. The previous day Kevin Federline had requested an emergency hearing regarding the custody of his children with Spears but his attorney announced that his client asked to cancel the court appearance. No further explanation was given. Spears left rehab on March 20 according to her manager who said she was released after "successfully completing their program". Spears has been recording a new album with producers Sean Garrett and Jonathan Rotem among others.