ET joined KATE BECKINSALE at the Los Angeles premiere of her new movie 'Snow Angels' Thursday night.

Opening in theaters on March 7, the film, based on the best-selling novel by STEWART O'NAN, revolves around a man haunted by the past -- most notably, the murder of his former babysitter. Directed by DAVID GORDON GREEN ('All the Real Girls'), 'Snow Angels' also stars SAM ROCKWELL ('Matchstick Men') and OLIVIA THIRLBY ('Juno').