Robert Pattinson to appear on 'Ellen'

Robert Pattinson will tell all to Ellen DeGeneres on her show later today. Pattinson will appear on 'Ellen' to dish about his upcoming "Twilight: Eclipse" movie—and of course, his new haircut.

The hunk joked with Ellen about his new buzz cut: 'I got a terrible infestation of nits and I had to shave it all off.'

Press reports claim that the charming Pattinson also told Ellen: "I just like doing things where you have a little time to think about what you’re saying. I’ve always had a problem actually thinking before I open my mouth," said Pattison. "Yeah, being spontaneous or just thinking. I have a problem with thinking."

"Just thinking, period?" asked Ellen, who looked like she thought he represented beauty but not brains. "Thinking in real time," clarified Pattinson.