Early that year, she began recording new material for her second album.
In an interview with Elle magazine in April 2013, she stated "I'm definitely showing more of myself than I ever have before.
She had a cameo role as a nightclub singer in The Great Train Robbery, a drama series on BBC One in December 2013.
In 2014, Eliza was invited by Burt Bacharach to sing with him at Henley Festival in the Summer of 2014.
She said "I’ve wanted to sing one of his songs since I first heard his music and to be able to do it with him in his show gives me a feeling I can't even describe!
Eliza Doolittle is a fictional character from London who appears in the play Pygmalion (George Bernard Shaw, 1912) and the musical version of that play, My Fair Lady.
I feel like on my last album, I hadn't experienced very much of anything really, and it's been three years or more since then and I have felt and seen things I hadn't before, and I know things I didn't know before.
In a way I have answers to questions, but then those answers open up a thousand other questions.
The EP received radio plays from Rob Da Bank, Nick Grimshaw, Fearne Cotton and Jo Whiley.Shaw had written the role for her, and although many considered her too old for the role she triumphed.The unprecedented use of the word "bloody" - as a scripted intensive - caused a sensation when Campbell delivered it.On 7 June 2013 she premiered a new single called "Big When I Was Little", which was released in July 2013.It subsequently joined BBC Radio 1's playlist, and features on her second studio album.I guess I've gone through things that so many people go through at the age I am.