Do straight guys wear nail polish?

We live in a era where sometimes it is hard to tell who is what. People who are considered androgynous make it unclear as to what their sexual orientation is as they have both male and female characteristics often exhibited in the way they dress. An example is Steven Tyler of Aerosmith. On face value one may think he is gay but the rock star is as straight as they get.

Pierce Brosnan's son 18-year-old Dylan Brosnan who is a model was spotted on Sunday afternoon walking around Malibu sporting painted fingernails. Is this a "normal" thing guys do?