How to get my body back

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I gained 40 lbs because I was only 100 prepregnancy. I am 10 weeks postpartum and have stayed at 119 lbs, which I am happy with & I look much healthier. The only thing is I now have a belly. It’s made me feel really self conscious and sometimes I feel like I still look pregnant, especially after I eat (see pic). I do I get a fitter tummy without losing weight?