Hilary Duff (38) gives her fans unusually intimate insights behind the scenes of her current "Lucky Me" tour. On Instagram, the actress and singer shared a series of snapshots from tour bus everyday life – including a playful mirror selfie, on which she only wears a fluffy white towel. With her hair tied back and hardly make-up, she seems completely relaxed and natural. On the bathroom counter in the background, make-up bags, skin care products …