What's more enviable: Diane Kruger's perfect abs, or her ability to turn a $20 stripe tank top by Lucca Couture and slouchy pants into a stylish premiere look? While you ponder, here are pieces to help you put together this look on a dime, featuring Mango, Ann Taylor, Delia's and more: More Forever 21...

read more: Dress by Number: Diane Kruger's Stripe Top and Slouchy Pants