As Megan Fox strips off for a new advertising campaign by Armani, Entertainmentwise has taken a look back over the sexiest lingerie ads ever.

Victoria Beckham, Eva Longoria and Kate Moss have all appeared in their underwear in campaigns for various Fashion houses.

And you can see them and more in our definitive guide.

Victoria's former Spice Girl's bandmate Mel B, Heidi Klum and footballer Freddie Ljungberg have also made the list.

Check it out now...

The Sexiest Lingerie Adverts Ever