#TBT skinny dayz #imissu

A photo posted by Kim Kardashian West (@kimkardashian) on Nov 5, 2015 at 5:15pm PST

We've all been there, Kim K.! Kim Kardashian, who has been extremely candid that pregnancy number two makes her feel heavy, is getting even more real with Us.

At eight months along, Kardashian took to Instagram to share a throwback snap of herself in a sexy corset, highlighting her famous pre-pregnancy curves. "Skinny dayz #imissu," she wrote on Friday, Nov. 6.

This isn't the first time the Keeping Up With the Kardashians star, 35, has admitted to wanting her old body back during her second pregnancy. She wrote on her website, Kimkardashianwest.com, that she feels "like a f—king whale," in October.

The fact that she's surrounded by slender stars at A-list events doesn't help much, either. "Feeling extra thin with all of the super models! LOL," she wrote on Instagram, with a photo of herself next to Miranda Kerr and Alessandra Ambrosio at the InStyle Awards on Monday, Oct. 26.

Kardashian's body isn't the only thing she misses — she's also longing to eat Mexican food in peace. The mom to North West, 2, who is currently expecting a boy with her husband, Kanye West, shared that she is craving taco salad and can't eat Mexican candy anymore because it gives her "too much heartburn," adding that her son-to-be is "sitting" on her bladder, causing her to "have to pee every five minutes!"  

Tell Us: How do you feel about Kim's flashback photo?