X Factor 2016 winner Louisa Johnson has been announced as the face of L'Oréal Paris's new hair colour range, Colorista.

The range features seven '1 day spray' products, 13 washout dies, 11 permanent dies and three lightening kits, and Johnson commented 'I always dreamed of being a L'Oreal girl when I was younger! Today I'm launching the Colorista hair colour range. I love the fact you can change your hair colour really easily with this product.... I'm truly excited to be a brand ambassador for L'Oreal Paris'.