Like a Zebra, Kourtney Can't Change Her Stripes

7/23/2008 12:48 PM PDT BY TMZ STAFF
Here's how you can tell the Kardashian sisters apart: Kim's the one with the exposed back and Kourtney is the one with covered front.

With Britney out of commission, the eldest Kardashian kept her spirit alive, flashing her underwear while lunching in NYC on Tuesday.

Of course, if she really wanted to pay tribute to Britney, she'd go commando.