The hot rumor on The Hills was always that Lauren Conrad had a sex tape - but who knew that it was Audrina Patridge who was the naughty one?

The photo below, obtained by Splash News and TMZ, shows the beautiful Audrina Patridge nude and looking every bit the dirty schoolgirl. Ooooga!

This was taken before The Hills and just after Audrina graduated from high school. She'd done some bikini modeling prior to this, but decided to have a go at Playboy.

Because she needed the money, right? Ha. Anyways... yowza.

Check out this sexy Audrina Patridge nude picture ...

In case you're wondering if that's actually her, it is. Through her rep, Audrina has owned up to the sexy naked / topless pics, telling TMZ in a statement:"I took these photos years ago when I was just out of high school and beginning to model. I was young and very trusting of others and I didn't know to protect myself. It is a lesson learned, for myself, and hopefully for young girls who look up to me."

Check out WWTDD for some seriously hot (and very naked) Audrina Patridge photos that are not safe for work, school, or anywhere public.