It's a common myth that classical marble statues were pure white and boring. In fact it's modern consensus that they were very often skilfully painted, but the colours were lost to time.
Augustus looking very fine there.
Source (in Spanish): http://rodrigorivas3d.blogspot.com/2014/05/policromia-en-la-antiguedad.html
(is that sarcasm?) (la virgen de Guadalupe is in every Mexican church)Edit: Sorry! I thought you were the other person who replied to me!