In the photo, the Lucifer Morningstar actor, 41,
showed off his incredibly ripped physique as he completed a workout in his home gym in Los Angeles.
Over the snap, which was posted to Instagram Stories, he wrote, "Getting back with @paolomascitti" alongside a bicep emoji and a devil emoji.
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While the British actor has always been in good shape, fans will know that he underwent a serious transformation following the show's revival on Netflix, something he credits to his trainer Paolo Mascitti.
Tom reportedly gained 20 pounds of muscle after the show was rescued by the streaming service for its fourth season and has managed to maintain his impressive figure throughout the last three seasons.