Congratulations to Gary Shirley and Kristina Anderson!

On last night's episode of Teen Mom OG, Gary decided to take his family to Florida, and surprised his wife Kristina with a wedding vow renewal by the beach.

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Kristina, who appeared to have dressed up for the special occasion, didn't seem to mind when Gary showed up in a casual ensemble with his signature fitted hat.

Kristina managed to fight back tears as Gary gushed, "I wanna thank you so much for being here with us."

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Amber Portwood's daughter Leah joined in on the heartfelt moment and told her stepmom, "You mean everything to me."

Congrats to the happy couple!

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