Article continues below advertisementRachel McAdams recently shared a heartfelt tribute to the late actress Diane Keaton, who portrayed her mother in the 2005 film The Family Stone. During her Hollywood Walk of Fame ceremony, McAdams revealed that even Keaton, renowned for her roles in classics like Annie Hall and The Godfather, was not always confident about her performances. "I have great moments of self-doubt in every job," McAdams disclosed.Article continues below advertisementSource: MEGARachel McAdams paid tribute to Diane Keaton during her Walk of Fame ceremony.