The Kardashians Threatened -- They're Old Bags!

Kim, Kourtney, and Khloe Kardashian are a bunch of purse-stealing fakers -- at least according to a handbag designer, who claims the new Kardashian Kollection knocked off one of her signature bags.

Designer Monica Botkier fired off a cease and desist letter on Thursday to Sears -- the retailer currently hocking the Kardashian line -- insisting the $94 faux leather bag inarguably resembles her $600 Trigger Clyde Satchel.

According to Women's Wear Daily, Sears promptly pulled the KK bag from its website.

You see the wares, so we gotta ask ...