The 34-year-old may be married to Josh Duhamel, 36, but she can''t keep her eyes off the ladies.

'Put it this way, I''ve experimented definitely, but I have never had a steady girlfriend,' the Daily Star quoted her as saying.

The Transformers babe, 23, shocked everyone when she came clean about her sexuality and admitted to lesbian romps with a Russian stripper.

'I have no question in my mind about being bisexual. But I'd never want to sleep with a girl who had slept with a man,' she said.

The singers shocked the world when they locked lips on stage at the MTV Video Awards in 2003.

Later, in 2007, Britney had a topless romp with PA Shannon Funk, 23, and Madge's brother once claimed she snogged Gwyneth Paltrow, 36, at a party.

She was caught being fondled by gal pal Lady Starlight in New York and has admitted that she's bisexual and won't rule out settling down with a woman.

'I love men, I love women and I love sex,' she said.

She was snapped kissing a female fan at one of her gigs soon after denying that her track I Kissed a Girl was meant to turn the world bisexual.

The diva was pictured kissing actress Jaime Winstone, 24, and also admitted: 'I have wet dreams -- lesbian dreams -- quite a lot.'

Lindsay Lohan has been considered the ultimate lipstick lesbian after announcing that she had finally turned her back on men and shacked up with DJ Sam Ronson, 31.