Good god that hurt. She'd heard it hurt a lot when you died, and of course it did. Her body repaired itself while she started to change. Her features were changing even as the light poured out of her body, giving off the energy that was being used to repair the damage. It went on for a few minutes until Fred was completely a different person.
The weight of it all forced her down onto her knees after it went away an she sighed. "Bloody hell. I regenerated.. I did, didn't I?" Oh she had brown hair now. Like Pops and Dad.