Jason Momoa Is All Smiles While Promoting 'Aquaman' in London!

Jason Momoa is looking happy!

The 39-year-old Aquaman star was spotted promoting his new movie with a radio appearance on Tuesday (November 27) in London, England.

PHOTOS: Check out the latest pics of Jason Momoa

Jason flashed a smile to photographers as he made his way in for his appearance on the radio show.

The first reviews of the upcoming DC Comics movie are in – and critics seem to be very positive! Check out their initial reactions to the film.

The James Wan-directed movie hits theaters on December 21.