Kylie Jenner vs. Kristin Cavallari Who'd You'd Rather?! (Tale of the Tape Edition)

This one’s a matter of the heart -- or should we say, the chest -- 'cause Kylie Jenner and Kristin Cavallari are spilling all the tea on their boob jobs ... and let’s just say, the glow-ups are front and center. These two might be surgically…