Megan Fox's thumb: As unlikely as it seems, the World's Sexiest Woman, Megan Fox does have a noticeable flaw. Two in fact - she has clubbed thumbs. This type of condition is experienced by around one in 1,000 people. (Getty Images/Gareth Cattermole)

Will Smith's ears: Would the wonderful Will Smith be the same without his large, pronounced ears? We don't think so, and neither does the superstar actor, despite plastic surgery being more common in Hollywood. Will Smith is in good company, as President Barack Obama also has a fine set. (Getty Images/Junko Kimura)

Lilly Allen's third ni**le: Pop sensation Lily is not shy about having an extra ni**le. In fact, the star is rather fond of flashing it to TV interviewers and says she is 'comfortable' displaying her flaw. (REUTERS/Luke MacGregor)

Seal's scars: Handsome pop star, Seal suffers from a condition that affects the face and scalp. Many fans of the singer think it adds to his distinctive appearance and his wife, Heidi Klum agrees to it. (REUTERS/Alessia Pierdomenico)