Justin Bieber seen rocking the clog. And considering the fact that Bieber even launched two collaborations with the brand, it's clear that the artist loves the iconic shoe — and he isn't the only one. More stars like Bad Bunny, Post Malone and Drew Barrymore have previously released limited-edition styles. If the fact that Crocs have become a #1 best selling item on Amazon should tell you anything, it's that there's a good reason behind the footwear brand's unparalleled popularity.