Whitney Port's Sister Makes Fun Of Her On Twitter

Or was little sister Paige just having some harmless fun?

Reality TV star slash designer Whitney Port visited Coffee Bean in Santa Monica yesterday with her sis - both dressed in shorts and oversized tops - and Paige decided to pull a prank:

Photo courtesy of Twitter

That's Whit and this is what was posted with the pic on Twitter: "It's paige... I had to hack whit's twitter... Spotted: @WhitneyEvePort passed out at Coffee Bean!"

Funny or not so funny?