Does your DD like to 'play' with them? If so check in the most recent toys.
I always take mine off then forget where i have put them and search the house like an idiot... in the car? I often swap to my sunnies and then forget to get my glasses again and they are in the glove box.
that's where mine always are. On my head! I am sorry my love I just got a visual of you looking all Ray O looking birthing with sunnies.... I'm sorry not funny! Sometimes mine end up in the toy box???
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