updated 03/14/2011 AT 4:00 AM ET
•originally published 03/13/2011 AT 4:40 PM ET
Not true, says a source close to Timberlake, 30.
“Mila had nothing to do with their break-up,” the source says. “In fact, no one came between them. They decided their relationship ran its course and it was time to move on.”