Julia Sophie Coster

About

TikTok star who went viral for dancing on stage with Zara Larsson. On her juliascoster TikTok account, she has 290,000 followers who can see some of her dance moves, on stage with the pop star, and her lifestyle.

Before fame

She first started to post on TikTok in 2025 when she was going to a Tate McRae concert with a friend of hers. She went viral in 2025 when Zara Larsson pulled her on stage for the song "Lush Life" at a concert in Amsterdam.

Trivia

One of her most popular and most watched videos on TikTok had over 20 million views. In the video, she was dancing with Zara Larsson again, but this time it was backstage for TikTok at one of her concerts in Stockholm.

Family life

She is from the Netherlands.

Associated with

She did a video dancing to the song "Man I Need" by Olivia Dean.