"It was way back in 2002, but I'm trying to remember if she even ~acknowledged~ her mother. I remember at the time thinking she was gushing about her paternal heritage while all along it was her white mother in the audience, not her absentee father."
http://news.bbc.co.uk/1/hi/in_depth/entertainment/2002/oscars_2002/1892608.stm
"I want to thank my Mom who's given me the strength to fight every single day to be who I want to be and given me the courage to dream that this dream might be happening and possible for me. I love you Mom so much."
Ah, thanks for that, I do remember it now. Odd that I found an edited version of her remarks.
Still, Mom was certainly not the main focus.