This is what Woody Harrelson wore to the Hunger Games premiere

US actor Woody Harrelson decided to go for a casual look, wearing pyjama pants and socks without shoes to the premiere of The Hunger Games Mockingjay Part 2 in Paris. Photo / AP

All the excitement of promoting the new Hunger Games film must be making star Woody Harrelson sleepy.

Harrelson, who plays mentor Haymitch Abernathy in the films appeared at Paris promotion wearing only his pyjamas and a pair of socks.

US actor Woody Harrelson wears socks as he poses for photographers before the premiere of The Hunger Games Mockingjay Part 2 in Paris. Photo / AP

The 54-year-old actor wore a long-sleeve gray shirt, checked pants and charcoal patterned socks without shoes.

Woody Harrelson poses for photographers before the premiere of The Hunger Games Mockingjay Part 2 in Paris. Photo / AP

The laid-back look definitely stood out when compared to co-stars Jennifer Lawrence who wore a Dior dress and Liam Hemsworth in a button-down blazer.

Jon Kilik, Woody Harrelson, Josh Hutcherson, Jennifer Lawrence, Liam Hemsworth, Nina Jacobson and Hunger Games director Francis Lawrence. Photo / AFP

The Hunger Games: Mockingjay Part 2 releases November 19.

- AAP