One rider's journey into the world of Eventing
Definitely more muscle definition.
I was thinking the same thing. I'm not certain if it looks like she has lost weight or not. The top of her pelvis seems a little "pointier" to me. Her back seems a little more level (less dipped), but overall, I don't see much difference.The top photo is the more recent one, just in case it was hard to tell. ;)