It looks like Nicole Richie got a little chilly during the day. She switched out her JET Drip ‘n’ Patch jeans for another pair of jeans. She was spotted going to breakfast in her patched pair as you can see here and was spotted with her knees covered later on in the day in the Rebel wash for a little pamper session at the nail salon.
The detail on these is very wrinkled when laid flat, so I do think that on a person these do look better. It looks more like a subtle marbling effect on. You can purchase JET Jeans at Singer22.