It's undeniable. Jennifer Lopez hasn't aged a day in decades. The singer/dancer/actress/"American Idol" judge/goddess has got to be doing something right. The former fly girl has been making heads turn since her "In Loving Color Days" and we have a feeling Jenny From the Block isn't slowing down anytime soon. Want proof that J. Lo is pretty much aging backwards? Here are 29 gorgeous pics of the performer that show off her jaw-dropping and time-defying flawlessness.