She is known for portraying the role of Nina Lucas in the ITV soap opera Coronation Street.

[1][2] During her studies, Gallagher worked as a seat filler at the National Television Awards.

[3] After graduating, Gallagher joined the cast of the ITV soap opera Coronation Street as Nina Lucas.

[6][7] Her storylines on the show have included being the victim a of a hate crime which resulted in the death of the character's boyfriend Seb Franklin (Harry Visinoni) and later entering a relationship with Asha Alahan (Tanisha Gorey), the former of which won the award for Best Storyline at the 2021 Inside Soap Awards.

[11][12][13] In January 2023, Gallagher began competing in the fifteenth series of Dancing on Ice.