With Fall right around the corner, it's about time you invest in a must-have bag that you'll carry all season. Everyone from Jessica Alba to Reese Witherspoon to Elizabeth Olsen to Kate Bosworth has been spotted with stunning designer bags from Jimmy Choo, Gucci, Tory Burch, and many more labels. Check out the 12 must-have celebrity designer bags, then buy the one that makes your heart skip a beat.