MIL rude comment 👊🏼

So last week we went to a family function.

I'm not fat but I would say I have thick thighs. While I'm holding my chunky baby (love me a chunky monkey) she grabs his thigh and says oh you have your moms legs.

I looked at her like huh?

Did I take this the wrong way, I literally do not know how to take this but it really irritated me and now feel self conscious of my legs because my husband said the exact same thing the week before seeing my mil