You land, you hug, and before your bag is off the carousel someone has reviewed your face, your weight and your skin like it's a Yelp page.
It's usually love wearing a very bad outfit. But you can still redirect. Try: 'Ha, I missed your cooking too. How's your knee?' Ask about them. Elders love being asked about their knees.
If it keeps coming, a calm 'We're not talking about my body today' works. Say it with a smile, then pass them a plate. Peace kept, dignity intact.