Scroll down to see Keira sing in the trailer Klaxons keyboardist James Righton, 30, and Keira, were pictured leaving their Soho hotel hand-in-hand on Thursday as the actress set off for a press conference in the city.
Begin Again sees Keira play a singer-songwriter who is dumped by her boyfriend (Adam Levine) after he gets a break in the music industry. She teams up with a disgraced music executive (Mark Ruffalo) to try and make a name for herself. Joining the actress at the press conference were her co-stars Mark, Adam and James Cordon, along with the film's director John Carney.
For the role, Keira, 29, sings on camera – and while she has been praised for her voice, the actress has been a little harsher on herself. During a visit to The Daily Show this week, the star told host John Stewart she was less than impressed with her efforts.
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I was just quite disappointed that I didn't sound like Adele! " she said. "I wasn't given the songs until two days before I had to go into the studio and I'm not a singer. "I really don't know how to do this, we just got in there and said 'This has to work'."