When you came to the beast's room you saw the mess around. The mirror was broken and the closet was damaged with claws. Fix it all and clean the room to start the tailoring of the new outfit.
Belle didn't like the beast when she saw him for the first time. But her feelings had changed some time after and now she want to be with him forever. Yet, the beast still is very dangerous and his claws are sharp, so he looks too brutal for her. Clean the mess and tailor the outfit so you can have a dinner together.