Kim Kardashian And Blac Chyna Show Off Their Cake

[TMZ] Kim Kardashian’s great ass and post-preg toned body didn’t come naturally … and last night in Beverly Hills she told us her secrets to being a full-blown MILF.

Kim was leaving La Scala with Britney Gastineau when we asked about the Instagram photos she and Blac Chyna posted hours before … showing off their hot mom butts after a workout sesh.

A humble Kim had no problem telling us how she got super fit.

Hint: She didn’t say photoshop.