English actress Keira Knightley stars in a new romantic drama called 'Begin Again', which also features Maroon 5 heartthrob Adam Levine, and in it she plays the role of Gretta, who is a singer songwriter. 

Speaking to The Express newspaper about the musical role, she confessed that she worries her voice isn't great and during filming often wished that she had the vocal ability of Shirley Bassey or 'Someone Like You' superstar Adele:

"I have preferred it if I'd opened my mouth and Adele's voice had come out... or Shirley Bassey's! If I suddenly found I had either of those voices I'd have been [f**king] thrilled, but it definitely wasn't one of those..."

"The songs weren’t finished until two days before I had to record them in the studio. I had singing lessons and sang lots of scales to figure out what my range was and to strengthen my voice.”

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Watch a trailer for 'Begin Again' here: