Sienna Miller has introduced her family to her new boyfriend. The "G.I. Joe: The Rise of Cobra" star - who began dating George Baker, a "psychedelic trance" DJ known as Slinky Wizard, last month - took her latest beau to a pool party at her step-mother Kelly Hoppen's villa, in Ibiza, Spain.

A source said: "Sienna and George are really quite besotted. They haven't been dating for long but decided to just go for it and get away for a sunshine break.

Pamela Anderson has reportedly rekindled her relationship with Stephen Dorff. The former "Baywatch" actress - who dated the "Blade" actor in early 2005 - was seen kissing the star in the lobby of Miami's Fontainebleau hotel on Saturday night.

Later that evening, the pair went to nightclub Mokai where Pamela apparently locked lips with three other mystery men - one of whom is said to have been a drag queen called Elaine.

Simon Cowell is being supported by ex-girlfriend Sinitta following the demise of his six-year relationship with Terri Seymour.

The "American Idol" judge - who was reportedly dumped by Terri over the phone several weeks ago - has been spending more time with Sinitta since his relationship ended, with the pair seen enjoying an intimate chat over afternoon tea at exclusive London department store Harrods recently.

Pamela Anderson is reportedly dating a member of the Abu Dhabi royal family.

The former "Baywatch" actress has only revealed her new beau's name to a few select friends, but refers to him in conversation by the pet name she made up for him - Milk-Sheik or Milk for short.

Val Kilmer has stolen Chad Lowe's girlfriend, it has been claimed. The 'Wonderland' star was pictured running hand-in-hand with producer Kim Painter - who has been dating Lowe for the last year - as they fled the paparazzi.

However, a representative for Lowe, who is currently starring in hit TV show '24', claims Painter and Kilmer are just good friends.