It's been only five weeks since Jennifer "Don't Call Me J. Lo" Lopez gave birth to twins and, magically, the singing sensation seems to have withered down to her pre-baby weight. Though we have often been mystified by what Jennifer does — particularly by her decision-making process post Wedding Planner in choosing which films to star in — her desire to quickly trim down doesn't surprise us in the slightest. To that end, we compared Lopez's figure from before Marc Anthony worked...