The radio DJ, 27, is set to marry Michelle Keegan next year, but there's one hurdle he has to jump first... the stag do.
And by the sounds of it, his brother Josh Wright is already making sure Mark has the best send off possible!
On Monday (12 May) Josh posted a snap of him and Mark on Instagram, along with the caption: "Me and the bro @wrighty_ plans are starting early doors."
Mark later Tweeted out the picture, adding: "Stag doo dramas!! I'm in trouble."
Sounds to us like the former TOWIE star is feeling a tad apprehensive about what could be in store for his stag.
However, we are pretty sure that Mark's fiancée Michelle, 26, doesn't have anything to worry about.
She was recently voted as the second sexiest woman in the entire world in a lads' mag poll.
Not only that, but it is obvious that Mark is 100 per cent smitten with his wife-to-be.
Plus, he's clearly a family man and loves to post snaps of himself and his young cousins having a cuddle.
What a softie!
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