While the alcohol industry has long had celebrities like Sean “Diddy” Combs and Bethenny Frankel endorsing brands, we’re just starting to see marijuana brands endorsed by musicians, actors and, well . . . Bethenny Frankel again.

Entrepreneurs across the U.S. are flocking to the burgeoning cannabis industry as more and more states pass legislation legalizing the sale of marijuana in some form. That proliferation of pot-related businesses means that business-owners are scrambling for ways to make their brand stand out in the minds of consumers. Cue the celebrities, who have been popping up across the marijuana industry recently with product endorsements as well as their own pot-related brands.

When you think of celebrities and pot, a host of well-known weed advocates likely spring to mind. Music icon Willie Nelson is an outspoken supporter of marijuana legalization who often throws his support behind political candidates with similar views. Meanwhile, actress and co-host of The View Whoopi Goldberg penned a column last year that details her love of her vaporizer pen — a tool for inhaling weed and other herbs — and comedian Sarah Silverman even showed off her own “vape” pen on the red carpet before attending last year’s Emmy awards.

In other words, there seems to be no shortage of celebrities who would surprise no one by jumping into the legal pot business. Here’s a look at several famous names who are already looking to cash in on the “green rush”: