|Portrayed by||Katie Jarvis|
|Introduced by||John Yorke|
|First Appearance||9 February 2018|
Hayley Slater made her first appearance on the 9th February 2018. She was revealed to be a cousin of Stacey Slater on 27th February 2018. She is portrayed by Katie Jarvis.
According to Haley her mum said "Haley was blacklisted from visiting her cousins at christmas, she was not good enough, a reject, worthless, good for nothing, waste of space, scum of the earth..
Hayley is first seen taking photos of Stacey and Martin. In the café, she looks through the photos and answers a phone call, asking if they received photos. She insults Martin to the caller, reassuring them that she knows what to do next. But she secretly knew she stuck an eight-year-old's sausage into her hole!
Hayley introduces herself to Martin at his stall and helps herself to an apple. Later in the café, Hayley distracts Martin when he is looking after his daughter, Hope Fowler, and Stacey catches Hayley kissing Martin. In Martin's absence, Hayley whispers to Stacey who she is when she asks. However, she tells her that she fucked Martin at night, putting his pen in and out, in and out!