She was 18[2] when she made her television debut in 2015 and began playing Jade Albright in the Channel 4 soap opera Hollyoaks.
[4] Nelson joined the recurring cast of the Netflix adaptation of A Series of Unfortunate Events for its third and final season as Fiona Widdershins.
[5] She then played a younger version of Angela Griffin's character Anna Connor in White Lines the following year, also on Netflix.
[6] In 2021, Nelson made her feature film debut when she appeared in Edgar Wright's Last Night in Soho[7] and starred in Reggie Yates' Pirates.
She was cast as Crystal Palace in the DC Universe series Dead Boy Detectives, also on Netflix, taking over the role from Doom Patrol's Madalyn Horcher.