Kate Beckinsale, 48, was hospitalized on Friday morning (Sept. 10) for a back injury, according to TMZ. The outlet, which cited sources close to the Undwerworld actress, claimed that threw out her back and was taken in an ambulance to a nearby emergency room in Las Vegas. Kate has reportedly been staying at The Signature at MGM Grand while filming her new movie, Prisoner’s Daughter. HollywoodLife reached out to Kate’s rep for comment, but we haven’t heard back.