Timberlake joins Live 8 concert

Justin Timberlake is to perform at the Philadelphia Live 8 concert next weekend, according to The Mirror today.

The high-profile R&B singer has signed up for the gig, which also features P Diddy and Stevie Wonder.

"It's a real coup to sign up a star as big as Timberlake," a source told the newspaper. "He'll be fantastic. He's been a supporter of the campaign for some time and was desperate to do his part."