Jessica Chastain slips into stylish blue dress for Letterman show! Singer Conor Maynard performs (PHOTOS)

English singer Conor Maynard, actress Jessica Chastain and football player Michael Strahan were the celebrities who stopped by the Late Show With David Letterman in New York City.

Conor Maynard who was clearly excited to be back in New York City posed playfully while making an entry at the set. He gave the impression of being “bright eyed and bushy tailed” dressed in a grey overcoat and black trousers. The singer put in a performance promoting his upcoming album at the show and tweeted about it beforehand for his followers.

“Zero Dark Thirty” star the beautiful Jessica Chastain showed up in a black walker coat and peep-toe high heels and changed to a blue dress with another pair of high heels for appearing on the show. Jessica-PETA’s 2012 sexiest vegetarian showed off her healthy skin posing for pictures outside the set and was on the show to talk about Zero Dark Thirty.

Professional football player Michael Strahan appeared in a casual winter clothes changing to a grey suit later for the show. He was on the show touching on a variety of topics one of them being his old teammates.

All in all the stars kept Letterman show interesting putting in their appearances and adding their bit to the show.