40-Something or 30-Something? Guess Jennifer Lopez’s Age In These Pics!

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We'll have what Jennifer Lopez is having! Jenny from the Block turned 45 on July 24, 2014, but when compared to pics of the diva in her 30s, it's hard to tell if she's aged at all.

Can you tell the difference between a 30-something J.Lo and a 40-something J.Lo? Click the pics and test your knowledge!