Showbiz
Rex Features
The singer, who is divorcing her husband of three years Deryck Whibley, was reportedly spotted with actor Wilmer Valderrama.
An onlooker at LA club Wonderland is quoted by Perez Hilton as saying: "She had her hand on his knee and they were whispering in each other's ear, laughing. They even closed the club, sneaking out just after 2am."
Valderrama has previously been romantically linked to Mandy Moore and Hilary Duff.
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