7 year old wearing make up?

Red • 26 | Married | Baby Girl 🎀 11/12/19
Would you let your 7 year old wear make up? And not just for play. Would you let her wear it to school? Let her put it on before you go out to eat or to the store? 
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I've heard parents say they've let their 6-7 year olds wear it to school and the schools will contact them about it. If they wear it in public, people will stare. 
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Do you think it's a way to let them express themselves? Or do you say no to regular make up (not play make up) at any time?