“Glee wedding,” she captioned the sweet reunion photo, with a previous post alongside the bride with the hashtag #MrsMartin.
Tobin first announced her engagement in May during an episode of her LadyGangpodcast with co-hosts Keltie Knight and Jac Vanek, adding she thought the whole proposal was just a stunt at first.
“I thought he was kidding when he had the ring in front of my face! I thought it was fake,” she said.
This article originally appeared on PEOPLE.COM.