London, June 24 : Actress Rosario Dawson, seen in films like "Sin City" and "Unstoppable", is happy after learning that her mother's latest marriage is over."Luckily they're divorced now...," dailystar.co.uk quoted Dawson, 32, as saying. "She's back in New York now, so it's really, really wonderful. We missed her," she added.Dawson also appeared on the "Tonight Show" Tuesday night and when host