Style icon Alexa Chung appeared in-store at Liberty to launch her first book, 'IT'. The presenter and model signed copies of her book and met with hundreds of fans before partying the night away with famous friends and fashion faces Daisy Lowe, Nick Grimshaw (also the party's DJs), Pixie Geldof, Laura Bailey, Henry Holland and Christopher Kane. Watch all the action, see the outfits and party guests in our book signing and launch party video.