Billy Bob Thornton's daughter amanda brumfields

Billy Bob Thornton's estranged daughter Amanda Brumfield was sentenced in Florida on Thursday to 20 years in prison in the death of her 1-year-old goddaughter, Olivia Madison Garcia.

Olivia died of a skull fracture and brain bleed in October 2008 while staying overnight at Brumfield's Ocoee, Fla., home.

Melissa Parish, Thornton's first ex-wife, defended her daughter in 2009.

Though found not