Gabby Barrett tests her hubby...Carrie Underwood and Mike Fisher are talking marriage and life... Gabby Barrett and her husband, Cade have been married less than a year, but he can't be fooled by a trick question. In a new video, Gabby asks him, "Would you rather kiss me for $100 dollars or the hottest girl in the world for $700 dollars?" Cade says he'd rather kiss the hottest girl for $700 because Gabby is the world's hottest girl. Well played,…