Jennifer Aniston and her fiancé Justin Theroux reportedly partied with actor George Clooney in Mexico over the weekend.

The A-list couple attended Clooney's event promoting his alcohol brand Casamigos Tequila held at the El Dorado Beach Club in Los Cabos, Mexico on Sunday.

Other famous faces in attendance were Jimmy Kimmel, Howard Stern and Olympian Michael Phelps, who also shared an Instagram photo from the event.

"It was for members of the club and special guests," a source told E! News. "They had a tequila tasting."

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But, that wasn't the only time Aniston and Theroux met up with The Descendants actor in Mexico. The couple reportedly also hung out with Clooney at a pre-New Year's party.

"George got down to Cabo around Christmas and had a party a couple days before the new year at his home," a source also told E! News. "It was an intimate dinner with close family and friends."

Aniston and Theroux flew down to Mexico right after Christmas for a warm vacation and according to sources the couple is more in love than ever.

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"They aren't shy about public displays of affection...they can't keep their hands off one another," a source previously told E!. "They seem very happy together and totally in love. They haven't spent a lot of time apart on this trip. Wherever she is, Justin is right next to her."

The couple is reportedly staying in a mansion that costs $9,500 a night, which includes a private chef, butler, and personal masseuse. They also have a private gym.

Tags: Jennifer Aniston Justin Theroux