Dads. They get some pretty funny ideas about style. Like that wearing Hawaiian shirts is acceptable year-round. Or that socks with sandals is a totally cool look. But, though they may not be the most obvious style icons in our life, they've certainly passed down their own brand of sartorial wisdom--for better or worse. So, in honor of Father's Day, we asked our favorite fashion and celebrity friends--from Leandra Medine and Olivia Palermo to Wyclef Jean and Richard Chai--to share the most memorable style advice they ever got from their dad.