All movies starring Mary Steenburgen and reviewed on the Ace Black Movie Blog are linked below:
Melvin And Howard (1980)
Parenthood (1989)
Back To The Future Part III (1990)
Philadelphia (1993)
What's Eating Gilbert Grape (1993)
Nixon (1995)
Elf (2003)
Four Christmases (2008)
Did You Hear About The Morgans? (2009)