Anderson Cooper: 'Late Show' Visit!

Anderson Cooper suits up as he drops by the Ed Sullivan Theater on Thursday (December 22) in New York City.

The 44-year-old Silver Fox made an appearance on The Late Show with David Letterman.

PHOTOS: Check out the latest pics of Anderson Cooper

Earlier in the week, Anderson welcomed We Bought A Zoo co-stars Scarlett Johansson and Matt Damon to his talk show, Anderson – and the duo took over the mic and tried co-hosting the show!

“This was fun!” Anderson wrote on his Twitter account with a photo of Matt and ScarJo.