"Going through this process you get a whole new viewpoint," the American Idol judge said during a chat with the Kyle and Jackie O Australian radio show in July. The singer explained that she's at that point in her pregnancy where "everything is swollen."
"My hands are swollen, my feet are starting to swell," she said, adding that she's now just wearing sandals everywhere -- which was also evident in the photo she posted Thursday.
"I didn't know the exact due date ... so I texted her like, 'Hey, just so I can kind of wrap my head around when to really start thinking about you guys and saying prayers and everything,' so she let me know the due date," Byran told ET on Tuesday. "She's pretty close."
"I told her I'm probably gonna send her little girl maybe, like, a little pink BB gun," Bryan added with a laugh. "An old country boy version of little baby girl gifts. Pink camo and a pink BB gun."