After dating for more than six months, Demi Moore, 50, and Harry Morton, 31, reportedly ended their relationship, a source told E! News.The actress and Morton, a restaurateur, met through mutual friends and began dating near the end of last year.According to Moore and Morton, owner of the Pink Taco franchise, were seen on a dinner date at South Beverly Grill in Beverly Hills, Calif. The two had been dating for five or six months at the time, a source told E!