Length of marriage: 225 days
Renée Zellweger once thought Kenny Chesney's tractor was sexy. The pair, who wed in May 2005, tied the knot on the Caribbean island of St. John a mere four months after they met at a tsunami-relief event. But like their brief courtship, their marriage quickly ended four months later, the pair announced plans for an annulment, with Zellweger citing "fraud" as the reason for the split. The fraud claim sparked rumors about Chesney's sexuality, which Zellweger assuaged by explaining that the term was "simply legal language and not a reflection of Kenny's character." It is the only marriage for either thus far.