From the Wikipedia:
Leslie Mann (born March 26, 1972) is an American actress. She has starred in movies such as George of the Jungle and Big Daddy.
Mann was born in San Francisco, California. She is married to the writer-director, Judd Apatow, with whom she has a daughter, named Maude. Met her husband on the set of The Cable Guy (1996), a movie he produced. The Cable Guy co-star Jim Carrey likened her looks to Marlene Dietrich. Her height is 5′ 7″. Started out doing commercials at 17 years old, and beat out 500 other actresses in an open audition for her role in The Cable Guy.
Update: We love you Leslie!