Knightley & Lagerfeld New York - Arabstoday Keira Knightly has received an offer from her friend Karl Lagerfeld to design her bridal gown, Lagerfeld has considered the actess a muse for the past six years, and she has been the face of the label\'s “Coco Mademoiselle” fragrance. She first became one of Lagerfeld\'s muses in 2006, replacing Kate Moss as the scent\'s campaign star. A Chanel spokesperson declined to comment on the rumours. Knightley announced news of her engagement to musician James Righton in May this year. No wedding date has yet been confirmed, although rumours suggest that the couple are hoping to tie the knot in spring next year.