Avril Lavigne & Wilmer Valderrama
That '70s Show star Wilmer Valderrama is quite the ladies man! Aside from famously romancing Mandy Moore, Lindsay Lohan and Demi Lovato, Valderrama also reportedly hooked up with Avril Lavigne in 2009. People reported that onlookers spotting the two looking "super cozy" at Los Angeles hotspot Wonderland. "There were others at the table but you could tell they only had eyes for each other," the source added.