Us Weekly has affiliate partnerships. We receive compensation when you click on a link and make a purchase. Learn more! It’s safe to say that celeb-loved movements thrive during the summer.

Now that we’re basking in the feel-good vibes of warm sunny days, there’s a new aesthetic on the rise, courtesy of Charli XCX . Enter brat summer! If you’ve scrolled online recently, you’ve probably seen the seasonal moniker. It’s such a hit that Kate Spade New York hopped on the trend with an all-green starter pack .

Even Vice President Kamala Harris joined in on the viral trend after President Joe Biden endorsed her as the Democratic presidential nominee on Sunday. Wondering what the new trend is all about? We’ve compiled a lengthy guide to catch you up on all things brat summer! Read ahead for the 411! What is brat summer? Charli XCX dropped brat , an album that many music fans have dubbed the album of the summer on June 7. The feel-good project is jam-packed with lively beats inspired to make you work up a sweat while you dance the night away with your besties.

The album celebrates individuality with nods to eclectic personalities with phrases like “I’m so Julia,” which celebrates Julia Fox , who appears in Charli’s “360” video. Along with uptempo party girl anthems, the brat album is special because it comes in a vibrant green shade that took time and effort. In an Instagram post , Charli revealed that she “narrowed down around 65 shades of green” to achi.