Popsugar Celebrity Celebrity Couples Who Is Julia Garner's Husband, Mark Foster? We Can Almost Guarantee You Know of Julia Garner's Musician Husband, Mark Foster October 6, 2023 by Amanda Prahl View On One Page Photo 1 of 12 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Previous Next Start Slideshow Celebrity CouplesAward SeasonTVMark FosterJulia Garner