Funnyman and actor Jim Carrey is also a painter. And, according to the bio at his website, he also sculpts. He occasionally talks about his paintings and posts images of them on Twitter. He posted the following two partial images of a painting on May 7, 2010.
On May 19, 2010 he made the following post on Twitter:
Update 6/10/2011: Jim Carrey talks to Jay Leno about his paintings.
Visit the Pop Life Art homepage for links to many more celebrity painters.