500 Days of Kristin, Day 351: Kristin's Fantasy Co-Star 6.55K Allie Jones 01/10/16 03:22PM Filed to: 500 days of kristin 500 days of kristin kristin cavallari sean penn el chapo In a 2010 interview with Vegas magazine, then-aspiring actress Kristin Cavallari revealed the name of the actor she’d most like to work with, if given the chance. Who was Kristin’s “fantasy co-star?”Sean Penn. This has been 500 Days of Kristin.[Photo via Getty]