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By Dana Flax
Contrary to popular belief, wearing makeup to bed isn't just reserved for floaty angel Betty Draper (and the rampant misogyny) of "Mad Men." In fact, one diva songstress, according to BlindGossip.com, not only chooses to wear a full face of makeup to sleep, but also recently enlisted her husband to go on a 10 p.m. red lipstick run when she ran out of her beloved lip hue. Who could the dollfaced singer with smudgy pillowcases possibly be? We've got a few guesses; put on those gummy shoes and join in on the investigation.