Co-star is really making their work days really long because of how many takes he needs to get a scene correct

They get along really well, but this foreign born A list mostly movie actress who is an Academy Award winner/nominee says her current A list (but not in acting) co-star is really making their work days really long because of how many takes he needs to get a scene correct.

Kate Winslet
Justin Timberlake
Woody Allen movie

Source: http://www.crazydaysandnights.net