Barcelona and Argentine sensational,
Pulse Sports has a list of some of the legends and heroes of the game who will grace the occasion.
Amongst them are former Barcelona striker Samuel Eto’o, Xavi, Carles Puyol, Sergio Busquets, Jordi Alba, Cesc Fabregas and about 21 players in the Barca first team.
Messi and his wife to be have known each other since childhood.
According to news from the wires, the exact venue for the occasion is City Center, a hotel and casino complex, with a team of 200 security agents.
Also, a big screen is expected to be erected outside the venue so fans are able to watch the ceremony from a safe distance.
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Messi is arguably the best footballer of his generation. he won the Copa Del Rey for a 5th time this season. Barcelona missed out on the Spanish La Liga and the Champions League this season.