Charli D'Amelio emerged as a defining figure of the social media era, rising from a background in competitive dance to become the most-followed creator on TikTok and a mainstream celebrity. Born Charli Grace D'Amelio on May 1, 2004, in Norwalk, Connecticut, she grew up with her parents, Marc D'Amelio and Heidi D'Amelio, and her older sister, Dixie D'Amelio. She trained as a competitive dancer for over a decade before joining the video-sharing platform TikTok in the summer of 2019. Her relatable, precisely choreographed dance videos, often set to trending sounds, quickly resonated with a massive audience, propelling her to viral fame.

Her ascent was meteoric; by March 2020, she had become the most-followed person on TikTok, a title she held for over two years. That same year, she joined the collaborative content creator collective The Hype House and made her feature film debut with a voice role in the animated movie StarDog and TurboCat. Her fame expanded beyond the app, leading to high-profile opportunities including a Super Bowl commercial and a partnership with the clothing brand Hollister. In 2021, she and her family launched the Hulu reality series The D'Amelio Show, which offered an inside look at their lives navigating sudden fame, and she co-led the Snap Original series Charli vs. Dixie with her sister.

D'Amelio solidified her status as a versatile entertainer by competing on the thirty-first season of Dancing with the Stars in 2022, where she and professional partner Mark Ballas won the competition, showcasing the technical dance skills that first attracted her audience. Her business ventures expanded significantly, encompassing a makeup line, a clothing collaboration, a nail polish collection, a mattress, and two published books. According to Forbes, she was the highest-earning female TikTok personality in 2019 and the highest-earning personality on the app overall in 2022.

In October 2024, D'Amelio achieved a career milestone by making her Broadway debut in the ensemble of the musical & Juliet. As of 2025, with over 156 million followers, she remains the second most-followed person on TikTok. Through her reality television projects, business endeavors, and live performance, D'Amelio has successfully transitioned from a social media phenomenon into a multifaceted entertainer, often described as the platform's original breakout star.