Cindy Crawford's tequila-filled marriage!

Cindy Crawford & Rande Gerber. Photo: Getty

Cindy Crawford thinks tequila is the secret to a happy marriage.

The 49-year-old supermodel has been married to Rande Gerber since 1998 and believes their success is down to the strong spirit.

READ: Cindy Crawford Admits She Was Blindsided By Air-brushed Photo Scandal

She joked: "I definitely think [tequila is the secret to a happy marriage]. I mean, we met on tequila!"

And Cindy is thrilled her husband was able to create his own tequila brand, Casamigos, with the pair's close pal George Clooney.

READ: Are Sandra Bullock And Bryan Randall Moving In Together?

She added to Us Weekly magazine: "It's so fun because Rande is such a bar guy and a nightlife guy, and then for him to finally kind of culminate his career with doing a tequila that we really just did for ourselves and friends, and then turn it into a business."

Meanwhile, Rande previously joked they were "forced" into starting a tequila business because they were ordering so many bottles.

READ: Kate Winslet Opens Up About Her Divorces

He shared: "George and I started drinking tequila a very long time ago. There came a point when George said to me, 'Why don't we just make our own.' We never meant it to be a business.

READ: Cindy Crawford's Husband Posts Stunning Snap Of Her

"We started out just us drinking it, without anyone being able to buy a bottle. We were kind of forced into [making it a business], after about two years, we got a call from our distillery and they said to us, 'We have a situation. For the past two years, we've sent you a thousand bottles a year. Either you're selling it, or you're drinking way too much. You need to get licensed and get legit with the situation."

Subscribe to New Idea today!

Related:

Most shocking celebrity splits!

Top Kate Middleton royal fashion moments

Bachelor 'love rat' Blake Garvey talks marriage, babies and moving on