Semy Momma - Step Daughter Nicole gets to play with her long hair, do make up and get the looks she wants when she goes out. Semy Momma is a character in the new webseries from MTV's reality show, The Hills. Here sassy stepmom of the family, Nicole, takes on the role of being a single parent and raising her own kids while taking care of her stepson, Alex. The character is played by long-term celebrity girlfriend ofister, Vanessa Williams who was also married to Tom Cruise for ten years and has two kids by that name. The character's character, Semy, is depicted as a typical Latina woman who wears her long hair in curls and carries a handbag..