Amal Alamuddin and George Clooney
09/17/2014 AT 04:40 PM EDT
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One sure sign that George Clooney
's wedding is drawing closer?
The groom-to-be is a business partner with Casamigos Tequila founder and good friend Rande Gerber, who was photographed loading 100 cases of the brand's award-winning Blanco, Reposado and Añejo tequila onto a jet headed from California to Italy.
The liquor is being shipped for Clooney's upcoming wedding
to British attorney Amal Alamuddin
Clooney wedding tequila
Clooney, 53, and Alamuddin, 36, are frequent companions of Gerber and his wife, model Cindy Crawford
– they vacationed together in Los Cabos, Mexico, during the holidays last year and the Gravity
star and his fiancée celebrated their engagement
at Gerber's Cafe Habana in Malibu in May.
Rande Gerber (left) and cases of tequila
The couple will undoubtedly be guests at the Oscar winner's upcoming wedding, which Clooney recently revealed
will take place in Venice.
Reporting by JENNIFER GARCIA