Please help, I hate my body after baby soo much its been a year and while i was never?

skinny to start with iam ugly now (body)...i am five two and fat, i have huge breast that sag soo much and i had a c section so i have this gut that hangs now...im only 27...what makes things worse is that my bfs ex 9who he has a kid with) is still slim and toned after her baby and it makes me so jealous when we pick up their kid and she is wearing cute little bikinis, she has small boobs and after 2 kids her stomach is flat , i just get so jealous...help!