Kroy Biermann was spotted packing on the PDA with Jillian Green — the ex of his estranged wife Kim Zolciak’s boyfriend, Kyle Mowitz — weeks after the duo denied their romance. The retired NFL player, 40, and Green locked lips during a Sunday hike, in photographs obtained by Page Six. The pair were all smiles — and shared a smooch — during the Alpharetta, Georgia, outing over the weekend. Green wore a tank top and leggings for the day date, with Biermann also cutting a casual figure in a white long sleeve shirt, shorts and sneakers. Zolciak’s rep did not immediately respond to Page Six’s request for comment. Biermann and Green similarly…









