Kate Beckinsale was 34 in Underworld: Rise of the Lycans when she played the character 'Selene'.
That was over 15 years ago in 2009.
Today she is 50, and has starred in 49 movies in total, 18 of those since Underworld: Rise of the Lycans was released.
In Underworld: Rise of the Lycans, I think Kate Beckinsale looks: