I don’t know if this is purple exactly, but hey I’m no art editor (just a qualified, specialized pervert).
I wish I had a mega-resolution version of this photo, because I swear I think you can see every pore and bump on this gal’s nipple. Um, you’ll just have to ignore the ah bumps on her face, because everybody isn’t a model, and with unleashed D-cups like that you wouldn’t care anyway.
A few from back in the day:
http://www.bralessblog.com/2007/02/12/braless-at-the-wedding.html
http://www.bralessblog.com/2009/07/05/wedding-dress-nips.html