Well, I'll tell ya, I'm 70, and I'd be wearing that out! It's bee-yoo-ti-ful! And someone mentioned deep purple slacks with it. That would be stunning!
Don't touch a thing. Do be sure to tell Mom, though, that you finally found something that's as vivacious and cheerful as she is. Explain that she is so exceptional, that you felt she needed to have a "presence" when she entered a room.
A class act, m'lady. Ya done good.