Talk about a change of fortune and Britney's face may well spring to mind. Not long ago, the singer had hit near rock-bottom. But after a lifestyle change and a 98-day tour, the former teen sensation made $130m in box office receipts and was the fifth highest-grossing tour in the world.

Add to her re-ascent to stardom lucrative deals with Elizabeth Arden and US teen clothing chain Candie's and she could well reach the top of fame mountain once more.