Spears set to guest star in comedy

Troubled singer Britney Spears is to make a guest appearance in a comedy series on primetime US television.
A spokesperson for CBS said that the 26-year-old would appear in an episode of 'How I Met Your Mother'; no details on Spears' role or when the episode would be broadcast were released by CBS.
But Reuters reports that a source close to the series said the episode would be taped this week and would likely be broadcast on 24 March.
The source said that Spears share scenes with the show's star, Josh Radnor, playing a woman who works in a doctor's office and who falls for him.
Spears' last appearance in a primetime TV series was on 'Will & Grace' in 2006.