For me, it’s Jamie Foxx. Never liked him, even fairly recently when I saw Baby Driver I hated him despite being a character I otherwise should have enjoyed watching. Maybe it’s because I hate American football and he was in Any Given Sunday, except I have no memory of actually seeing that movie.
His worst performance:
https://www.youtube.com/watch?v=ofIuFQ7Xdl0
A few years ago I had to see this sooooooooooooo many times…