"MADtv" Star Headed for Divorce Court

10/5/2011 2:45 PM PDT

Debra Wilson
-- who became pretty famous playing a wacked-out Whitney Houston on "MADtv" -- has filed for divorce ... TMZ has learned.

According to the docs, Wilson cites irreconcilable differences as the reason for the divorce. 

Wilson married Cliff Skelton, a cinematographer, in 2006.