I'm scared for future comments about my belly

We are having a party on Saturday and I look really big for being 22 weeks. I don't understand how or why (this is my second pregnancy) and I don't eat alot of bad stuff compare to my first pregnancy I have eaten decent portions and making sure I don't over eat. during my first pregnancy my mil kept making comments of how "big" I looked even though everyone thought i looked normal or even small. I didn't start showing for a long time but this time around it's no hiding it. I haven't seen anyone so I know I'm going to get comments. how can I handle this? I just wish no one would say anything and idk why it makes me cringe and upset thinking of it especially from my mil, she says it in a way that makes it sound bad. any advice?