After a car accident when he was 17, movie star Vaughn lost the tip of one thumb. At the time, he was a passionate water polo player. But after the accident, doctors advised him to give up the sport. With water polo out of the equation because of the deformity, Vaughn invested more of his time in another passion — theater. This body quirk was a lucky turn of events for fans of great comedy, like Vaughn's box office hit Wedding Crashers.
Carrie Underwood: Extra Nipple
During her American Idol audition in 2004, Carrie Underwood confessed that she’d had a third nipple removed, and that it was nothing to be grossed out by. “It just looked like a mole,” the country singer told the judges. Also known as polythelia, having a supernumerary (extra) nipple is fairly common. Other celebrities who were born with one nipple include singer actor Mark Wahlberg.