Um, no they don't.
Come on, don't people look at faces when they go to the
movies? Didn't they notice Winslet's coppery red hair in
Titanic? Her broader face, her cleavage?
And if they actually did, I expect Beckinsale would probably lose her cool.
"NO! NO! NO!
Pearl Harbor, you tool!"
Her publicist
categorically denied any breast implants a few years ago...