The star sported a loose-fitting T-shirt and shorts while grabbing a coffee, all while displaying his thicker frame ahead of the role as the politician.
Shortly before his workout, he appeared at the Telluride Film Festival with his new film, Hostiles, and to receive a special award on Saturday.
Bale put on muscle to play Bruce Wayne and the Caped Crusader in the 2005 film Batman Begins.
But the star was out-of-shape with a pot belly for the 2013 movie American Hustle.
It is not clear if the family was being monitored for those allegations or if the surveillance was ordered as a result of complaints made by Henriette.
On the night before her death, her father was heard telling her mother: 'Forget about her, let her go to hell.
All eyes were on his new look as he arrived at the event in the Rocky Mountain resort in Colorado.
I wish it was simple.' He kept things casual following a workout on Tuesday when he showed off his fuller frame.And Christian Bale's preparations are proving his levels of dedication as he has been gaining weight for the part, as illustrated when he stepped out on Tuesday, showing his fuller frame and also his bleached eyebrows.This comes 13 years after the 43-year-old Batman star lost nearly 60lbs for his cult hit movie The Machinist.He is already gaining Oscar buzz for the bloody Western, with The Hollywood Reporter calling it 'a gut punch of a performance.'Variety described Christian's performance as 'among the greatest he's given, one that could become an instant Oscar contender.'Of course, all this is moot if the film isn't released before the cut-off date for the Oscars, which is usually sometime in December.However, the movie is hotly tipped to pick up a distribution deal at Telluride.