The 41-year-old Troy and National Treasure actor and her crossbow-slinging The Walking Dead beau have been dating for several months, making their big red carpet debut at the Golden Globes in January.
The news comes after Kruger chose some gorgeous and very loose-fitting gowns for her recent appearances at the Cannes Film Festival and Met Gala. Page Six added that she abstained from alcohol for the duration of the event, instead choosing to sip water.
This will be the first child for Diane, and the second for The Walking Dead star Norman.
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CANNES, FRANCE - MAY 14: Diane Kruger attends the Trophee Chopard during the 71st annual Cannes Film Festival at Hotel Martinez on May 14, 2018 in Cannes, France.
The 49-year-old is father to 19-year-old Mingus from his five-year-relationship with supermodel Helena Christensen.
ET Canada has reached out to Kruger and Reedus' reps for comment.
Click through the gallery for photos of Diane at the festival...