"Coming soon....," Lynch captioned the images, which featured the grappler displaying her baby bump.
Rollins, also a WWE star, appears in photos standing next to Lynch or holding her from behind as she dons a variety of outfits.
Lynch announced that she was pregnant with her first child in May during an episode of WWE's Raw. The professional wrestler, who was the longest-reigning Raw Women's Champion of all-time, relinquished her title to Asuka.
Lynch and Rollins became engaged in August 2019. Rollins continues to compete in WWE and appears on SmackDown.