Jay, Alice, Paisley and Sketch are welcoming some famous faces including Made In Chelsea's Jamie Laing who has an old hip tatt that needs covering. Will he discover size does matter?
Meanwhile, actor Thomas Turgoose needs help with a drunken disaster on his leg, and Channel 4 News presenter Cathy Newman is getting her very first tattoo.
There's also some ordinary families affected by cancer who we'll be meeting, such as Charlotte who wants to commemorate her daughter's fight against cancer, and Jon and Claudia who want tribute tattoos to their son, Eddie.
Tattoo Fixers: Stand Up To Cancer, Channel 4, 10pm
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