Bradley Cooper stepped out for a run in Santa Monica, Los Angeles yesterday, and you'd been forgiven for not recognising the Hollywood star.
The 41-year-old was sporting a beard more bushier than usual, and showed off his beefed up biceps in a black singlet, and covered that famous face with shades and a cap.
Earlier in the week Cooper stepped out to buy groceries with pop star Lady Gaga. The two are starring together in a remake of the 1937 classic film A Star Is Born.
Gaga tweeted her excitement to be working with the Oscar nominated star: