Cameron and Snoop-a-loop both went to California's Long Beach Polytechnic High School back in the day. Cam even spilled some details of their past encounters on George Lopez's talk show: "He was a year older than me...I remember him; he was very tall and skinny. He wore lots of ponytails. And I'm pretty sure I bought weed from him."
We all know Matt Damon and Ben Affleck have been best buds for years. But do you know just how far back these two go?
Click through the gallery above to read-up on celebs who once called each other classmates.