"My little cupcake's 1st bday!!??," the former Hills star captioned an adorable snap of Kirra. "I can't believe it's already been a year."
ET caught up with Patridge in December, before the Hills baby boom (Lauren Conrad, Whitney Port and Heidi Montag are all expecting babies this summer), when she opened up about how she and husband Corey Bohan make it work.
“We've been through all those pitfalls, I feel like, before we got married,” she explained. “We experienced the reality side of it, the made-up stories in the tabloids, other people trying to get in between us and the gossip and the rumors."