Kelly Osbourne has revealed she lost her virginity at 13 and is tested for STD (sexually transmitted diseases) four times a year. Wow, she gets laid that often? Osbourne, the 23-year old daughter of rocker Ozzy and former X Factor judge, Sharon has admitted to having drunken unprotected sex in the past.  Kelly, you naughty gal!

more photos after the gag…

Kelly Osbourne has revealed she had a pregnancy scare when she was just 13. In an interview with New! magazine, the party girl admits she foolishy lost her virginity at a very young age.