She knew her fiancé Scott Stuber was “the one” the moment she started worrying about him and didn’t want anything to happen to him. Stuber, a film producer who produced the hit movie Love and Other Drugs proposed to the actress with a Diana von Furstenberg sparkler he personally designed with one of Sims’ girlfriends. The couple has not set a wedding date yet but this will be a first marriage for Sims and a second for Stuber whose marriage to Star Trek actress Rachel Nichols lasted just seven months before the pair separated in 2009.