I don't know exactly which video, I just saw it on a video jukebox today, but there is a bit in it where Shakira turns to a cartoon (looks a bit like Stripperella) and in that she comes across a girl with big breasts and while singing something about silicone she bursts them with her fingernails, air comes out and they deflate. I will try to find it on the net and run it in reverse.
I've seen that as well, and I have a video of it... No programs that can reverse it though. If you wanna find it, it's called "Objection Tango" or something.