Pop star Britney Spears will guest star on hit US TV show WILL + Grace as a Christian talk show host.

It will be the first primetime sitcom appearance for the singer and new mother.

In the episode, the gay 'Out TV' network is bought by a Christian television station and Spears is brought in to play Sean Hayes' character JACK's new religious co-host.

Spears will also host her own cooking segment on the newly revamped, fictitious religious show, called CRUCI-FIXIN'S.

The Emmy Award-winning sitcom ends its eight-year run in May (06). During it's air time it has become known for landing high-profile pop guests, including Madonna, SIR Elton John, Janet Jackson and Cher.

The TOXIC singer's episode will be taped sometime this month (FEB06) and is scheduled to air on 13 April (06).