Keira Knightley and fiance James Righton have a picnic

Keira Knightley and fiance James

Cute couple Keira Knightley and James Righton enjoyed a picnic on-set in New York between filming

Keira Knightley was hard at work on-set of her upcoming movie Can a Song Save Your Life? But she still managed to steal a moment with fiancé James Righton for a sweet lunch-date.