Meg Ryan leads Nora tribute

Actress Meg Ryan attends the Nora Ephron Memorial Service. (GETTY/GALLO)

Meg Ryan (GETTY/GALLO)

Jon Hamm and Jennifer Westfeldt attend the Nora Ephron Memorial Service. (GETTY/GALLO)

Steven Spielberg attends the Nora Ephron Memorial Service. (GETTY/GALLO)

Steven Spielberg (GETTY/GALLO)

Actor Tom Hanks attends the Nora Ephron Memorial Service. (GETTY/GALLO)

Actress Bette Midler (R) attends the Nora Ephron Memorial Service. (GETTY/GALLO)

Sally Field attends the Nora Ephron Memorial Service. (GETTY/GALLO)

Shirley MaClaine (GETTY/GALLO)

Martha Stewart (GETTY/GALLO)

Diane Sawyer (GETTY/GALLO)

Barbara Walters (GETTY/GALLO)

Martin Short (GETTY/GALLO)

Steve Martin with his wife, Anne Stringfield (GETTY/GALLO)

Kristin Chenoweth (GETTY/GALLO)

Matthew Broderick (GETTY/GALLO)

Mayor Michael Bloomberg (GETTY/GALLO)

Regis Philbin (L) and wife attend the Nora Ephron Memorial Service. (GETTY/GALLO)

Al Franken (GETTY/GALLO)

Paul Simon (GETTY/GALLO)

Joy Behar (GETTY/GALLO)

Diane Von Furstenberg, right, with her husband, Barry Diller. (GETTY/GALLO)