Kim K. vs. J.Lo Let's Debate the Front for a Change ... Shall We?

6/17/2014 6:00 AM PDT

Kim Kardashian vs. Jennifer Lopez -- Let's Debate the Front for a Change, Shall We? [PHOTOS]

With their equally legendary backsides already enshrined in the Hall of Fame, Kim Kardashian and Jennifer Lopez each wore outfits on Monday that showed off their commonly overshadowed cleavage. 

First we have Kim (left) in New York City after having dinner with her sister Kourtney, and then J.Lo (right) appearing on 'The Tonight Show.' 

The question is ...