The "Brat Summer" meme emerged from Charli XCX's playful promotion of her music in 2021. The phrase "Brat Summer" encapsulates a carefree, rebellious, and fun-loving attitude, reminiscent of the Bratz dolls' aesthetic. Fans and meme creators embraced this theme, producing content that celebrated a bold, unapologetic, and stylish summer vibe. The meme often features images of Bratz dolls or Charli XCX herself, paired with captions that emphasize living life to the fullest and embracing one's inner "brat." This trend highlights the intersection of nostalgia, pop culture, and modern internet humor, resonating particularly with Charli XCX's fanbase.