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Good denim is a girl’s best friend.

But when the temperature begins to climb, breaking out jeans in July isn’t always the obvious choice. That’s why we’re bringing you our summer denim must-haves with a little help from our A-list friends.

There’s Anya Taylor-Joy, the Brit who hit Glastonbury in a festival-ready pair of Loewe mini shorts, or Sienna Miller, who was the toast of Cannes in head-to-toe Schiaparelli, including the label’s “Denim Cowboy Pants” in Japanese raw denim.

Also on summer star watch is “Deeper Well” songstress Kacey Musgraves, who explored a deep V in a Good American vest. Throw in the queen of casual dressing, Blake Lively — who rocked a bedazzled Self-Portrait mini dress while dining at buzzy NYC hot spot Carbone — and we’re starting to believe that you needn’t ditch denim in the summer months.

Top it all off with our picks for the best summer denim trends. We’ve got classic styles like Levi’s capris, Abercrombie low-rises and Madewell’s brand new darted barrel-leg trousers; and designer duds, from a Pucci jumpsuit you’ll lose your mind over, to an adorable dress from the denim masters at Diesel and a skirt for Scandinavian summer from Danish designer Ganni. With these hot items and more, you’ll begin to wonder if you’re beating the heat, or bringing it.

From boyfriend to bootcut, we’ve got your backside.