Blackshaw began her acting career appearing in television advertisements, including an advert for
Mr Kipling. Her character died by suicide after being groomed by
Nathan Curtis (
Christopher Harper) and his gang. In March 2018, she made an appearance in the short film
Landline. On 4 September 2018, it was announced that she would be joining the
Channel 4 soap opera
Hollyoaks as
Juliet Nightingale, and she made her first appearance on 21 November 2018. Her storylines in the soap included discovering her father is
Mac Nightingale (
David Easter), being groomed into a
county lines drug trafficking gang,
coming out as a lesbian and developing a romance with
Peri Lomax (
Ruby O'Donnell). For her portrayal of Juliet, she has been nominated for Best Newcomer at the
Inside Soap Awards and two nominations for Best Partnership alongside
Lysette Anthony and O'Donnell, After a cancer storyline was devised for her character, it was announced that Blackshaw would be leaving her role as Juliet in 2023, after five years on
Hollyoaks. Following her exit, she was cast as Abi in the 2024 short film
Hide. It was created by Ian Curtis, who had worked with Blackshaw on
Hollyoaks. He wrote the character with her in mind and made the decision to donating 10% of the film's profits to Blackburn Food Bank, which Blackshaw's family help to run. Blackshaw then appeared in the
BBC drama
The Jetty, as well as being cast in the
fifteenth series of
Waterloo Road. In 2026, she guest starred in the
5 procedural drama series
Ellis. ==Filmography==