McKinney faced homelessness at the age of 17, and has one child.
She is the second oldest of nine siblings. She had a son at the age of seventeen and raised him as a single mother. In 2016, she became engaged to Roger Bobb, but called it off by the end of the year.
Has one son (b. January 1997) with her ex-boyfriend.
She has had film roles in Daddy's Little Girls and Breaking Up is Hard to Do.
She began her acting career in the stage production of Tyler Perry's play Meet the Browns.
She had a supporting role with Terri Vaughn in the 2013 TV movie In the Meantime.
