
Loretta Devine
Loretta Devine (born August 21, 1949) is an American actress, singer and voice actor. She is known for numerous roles across stage and screen. Her most high profile roles include Lorrell Robinson in the original Broadway production of Dreamgirls, the long-suffering Gloria Matthews in the film Waiting to Exhale, and her recurring role as Adele Webber on the medical drama Grey's Anatomy, for which she won a Primetime Emmy Award for Outstanding Guest Actress in a Drama Series in 2011. Description above from the Wikipedia article Loretta Devine, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Movies

Monster's Ball
2001
as Patti Dellacroix

Madea's Big Happy Family
2011
as Shirley

Waiting to Exhale
1995
as Gloria

First Sunday
2008
as Sister Doris

Urban Legend
1998
as Reese Wilson

I Am Sam
2001
as Margaret Calgrove

Beverly Hills Chihuahua
2008
as Delta (voice)

Hoodlum
1997
as Pigfoot Mary

Death at a Funeral
2010
as Cynthia

What Women Want
2000
as Flo

Dreamgirls
2006
as Jazz Singer
Web Series

The PJs
1999
as Muriel Stubbs (voice)

Boston Public
2000
as Marla Hendricks