RiRi has been tweeting sexy shots of her Sardinian holiday, more shots of Miley Cyrus' new hair, Holly Willoughby shows off her curves in photo shoot and TOWIE's Harry Derbridge looks more orange than ever.

Welcome to Celebville.

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  • Rihanna tweets a sexy snap of her and pals on holiday

  • Paloma Faith at the VIP launch of Audi Digital Store at Audi City

  • Caroline Flack arrives at Liverpool Lime Street ahead of the first day of The X Factor bootcamp. The bootcamp has been moved to Liverpool for the duration of the Olympics being held in London.

  • Chris Eubank out and about in Mayfair London

  • Miley Cyrus exits her Winsor Pilates Class in Los Angeles, California

  • Marion Cotillard at <em>The Dark Knight Rises</em> New York Premiere

  • Janice Dickinson walks through a sunny West Hollywood with a friend Los Angeles, California

  • Alexandra Burke at Disney's 'Let It Shine' TV Premiere at The May Fair hotel London, England

  • Harry Derbridge Disney's Let It Shine TV Premiere at The May Fair hotel

  • Holly Willoughby channels <em>Mad Men</em> in sexy new shoot

  • Rihanna's on her hols in Sardinia