Look What I Found! · 1:33pm Jun 9th, 2016
Well, well. Looks like someone had the same idea as me! Found this pic on derpibooru, and even though it was posted two years ago, it fits the scene in Chapter 1 of Kinks very well!
View on Derpibooru (Original source unknown at time of posting)
So yeah, basically this for comparison. Rarity would likely have a little bigger belly and be sporting a more maternal figure overall, but this is pretty damn close, all things considered.
Also I picture her as not having so manly of a chin but whatev's
Nice.