Matt Dillon
Hollywood star Matt Dillon has had several relationships in and out of the industry. However, the successful actor has never married. He and Cameron Diaz dated for some time in the 90s. He was reported to be dating Roberta Mastromichele in 2014 so perhaps a wedding might be happening in the future.
Naomi Watts
Australian actress Naomi Watts is another one who’s never gone down the aisle before. However, she was in a long-term relationship with Live Schreiber who she was with for a good 11 years. Watts and Schreiber have two children and remain to be in good terms after their breakup. Watts was also once rumored to be involved with the late actor Heath Ledger.