At the Late Show with David Letterman on Tuesday, January 18, Kourtney Kardashian blinged up her all black ensemble with an H&M necklace. For only $9.95, this H&M Knotted Chain Necklace adds an inexpensive sparkle to any outfit. H&M is set to launch e-commerce at the end of 2011; in the meantime, you'll have to visit your nearest H&M store to track down this necklace.
Photo credit: JustJared.com
