David Letterman to Robert Pattinson: Bite Me!

As he makes the talk show rounds in order to promote New Moon this week, one thing is clear:

Robert Pattinson is a cool guy!

The actor was as laid back and relaxed as we've ever seen him during an appearance on the Late Show with David Letterman last night.

Pattinson joked about fame, fans and biting babies. When the host finally asked Rob the question on everyone's mind - is he dating Kristen Stewart? - the star hemmed and hawed until Letterman hilariously cut him off with:

"Ah, bite me. What do I care?!?"

If only supermarket tabloids, desperate for sales, felt the same way...