Dirty mouth. Actress Melissa Leo dropped the F-bomb while accepting the Oscar forr Best Supporting Actress at the 83rd annual Academy Awards on Sunday night.

Making up her acceptance speech as she spoke, the actress said, “Yeah, I am kind of speechless,… when I watched Kate two years ago, it looked so f***ing easy.”

Oscar co-host Anne Hathaway had the best come-back, “Wow, I thought the ‘F’ stood for ‘The Fighter.’ It’s the young and hip Oscars!”