May 2, 2011 - Donna Ward/Getty Images North America more pics like this »
Prev 28 of 30 Next
28. Chelsea Clinton & Mark Mezvinsky

Since the two were both from political parties, they already knew each other from the political circuit, but fell in love while in Stanford University. When Chelsea was choosing colleges in 1997, he even showed her around Stanford, where he was a student. His tour obviously made an impression because she soon after enrolled, but it wasn't until four years later that they began to publicly date.