Leah Messer is going to be a bridesmaid in an Orlando wedding this weekend.

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As her own marriage appears to be crumbling, the Teen Mom 2 star headed south to Florida, where she will play a part in the upcoming wedding of a close friend.

"I am so honored to be in one of the most genuine perfect couples wedding I've known. I'll support them forever," Messer wrote on Facebook on Friday morning. "Their love for one another defines perfection and the friendship I share with the two of them is of course magical.. Haha. I love you both Leslee Pannell SOON TO BE ANDERSON and David Michael Anderson !! I truly LOVE the both of you!! Xoxo."

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Messer and her husband, Jeremy Calvert, have been going through some hard times as of late. Months ago, Calvert accused Messer of sleeping with Robbie Kidd behind his back, and told fans he was planning for divorce. Weeks later, messages between Calvert and another woman hit the web.

On Wednesday, Messer told fans she would be traveling to Orlando for the ceremony.

"Orlando here I come for much needed time alone and to be a bridesmaid in @pannell_leslee wedding! #Excited," she tweeted.

No word on whether or not Calvert will be accompanying Messer on her trip. However, judging by Messer's comment about "time alone," it seems fairly unlikely.

Tags: Teen Mom 2 MTV Reality TV Leah Calvert