The baby Anna star of Derry Girls diagnosed with leukaemia at the age of four.

The four-year-old, who played Erin Quinn’s younger sister in the hit Channel 4 sitcom, is battling cancer.

Zoe Brown, the star of Derry Girls, was diagnosed with leukaemia when she was four years old.

In the hit Irish Channel 4 sitcom, the tot and her twin sister Sophie played Erin Quinn’s little sister Anna.

Zoe’s mother, Leah Brown, says her daughter is “still smiling” after beginning treatment for the type of cancer.

“She’s been in theatre so many times, she gets lumbar punctures to put chemo in her spinal fluid, and that’s done under anaesthesia,” she explained to.

“You never expect your child to be in trouble.”

“I know that’s not the main concern, but it’s the saddest wee bit for her,” she explained, adding, “I know that’s not the main concern, but it’s the saddest wee bit for her.” Zoe simply had the longest, thickest hair, and it was the first thing people noticed when they saw her.”

Creator of the Derry Girls “I am so sorry Zoe is going through this,” Lisa McGee wrote in her best wishes to the family.

“I know that’s not the main concern, but it’s the saddest wee bit for her,” she explained, adding, “I know that’s not the main concern, but it’s the saddest wee bit for her.”

Zoe simply had the longest, thickest hair, and it was the first thing people noticed when they saw her.”

Lisa McGee, the creator of the Derry Girls, sent her best wishes.