Betta Fish: Fin regrowth 1 week difference!

Rescued this baby a week ago as she was getting bullied by the other bettas in her tank at the store (1st pic the day I got her, 2nd pic was yesterday). In this one week she absolutely blossoming, so much more lively, more colour and her fins have started to grow in, I didn’t think they’d start growing this quickly! Shes so sweet and comes up to the glass to see me when I enter the room and will circle my finger in the water 🙂 I named her Gwen