Of course it's fake. You can see part of the Worth1000 logo in the bottom left. Still very clever, though.
Um, you do know that the picture was of Pamela Anderson? Who cares if she's fake or the image is fake - the ooooooooooo in Google just got a lot more interesting.
She's "been around" alright. Good pic. And OMG no more, "that's fake!" we know the pic is fake and the boobs are fake. It's still funny.