Stranger Things star Millie Bobby Brown is coming to Australia for pop culture expo Supanova 2017.

The 13-year-old actor, model and sometimes rapper will appear at the Adelaide leg three weeks after the second season of Stranger Things drops on Netflix.

Brown will participate in Q&A and signing sessions on the Saturday (10.30am to 5.30pm) and Sunday (11am to 5pm).

She’ll be joined by Buffy star James Marsters, Breaking Bad's RJ Mitte, Wolf Creek’s John Jarratt, comic book legend Stan Lee and Australian science commentator Dr Karl.

Supanova Adelaide is on November 17-19 at the Adelaide Showground. Tickets are available online.