Finished up with her post-divorce island getaway, Christina Aguilera was spotted catching a private jet out of Oahu, Hawaii on Monday (October 18). Toting her bags onto the awaiting aircraft, the "Burlesque" beauty happened to be accompanied by a mystery man with whom she spent the weekend while attending the opening of the Waikiki Edition Hotel. Meanwhile, Miss Aguilera spent the previous evening enjoying a sunset sail with her guy companion - surely set to incite rumors of a new romance after the pair cruised the waters arm-in-arm. The Hawaiian vacation comes after Christina filed for separ...