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Kristin Cavallari hit the gym in West Hollywood on Tuesday morning, and the former reality star wasn't wearing a stitch of makeup but she still looked amazing. And the fact that her body looks this good after giving birth almost exactly a year ago is quite an accomplishment as well!

And speaking of her figure, yesterday K. Cav re-tweeted one of her followers messages which read, "Respect to @KristinCav for saying she's actually trying to gain weight and not wanting to be so thin! #goodforyou #thingspeopleneedtohear," later adding, "So maybe people should stop judging. U don't know how much I eat or what I weigh so zip it!"

Apparently she got quite a few hateful tweets over those comments, because just a few moments later she wrote, "Off to dinner with my fav ladies @CharCharr @britfield1 @chelseabulte. Hope they don't feed me too much!!! Need to stay SKINNNNY."