Anita Blay (born 1985), better known by her stage name CocknBullKid, is an English singer-songwriter. She has released a number of singles in the late 2000s and early 2010s. Her early releases were released under the name "Thecocknbullkid". Blay is well known for her song "Doing It Wrong", the theme tune of Hat Trick's television multi-series Some Girls, which airs on BBC Three (2012–present).