"Oh, Shay!" she said, grin broadening even more. "That was... well, brilliant doesn't even begin to cover it! I didn't know you were proper good at singing!" She saw him duck his head and ducked her own to try to catch his eye, noticing his blush and thinking him even more attractive with it, though she could tell he was a little self-conscious. Parvati wasn't sure why, since he'd been so good, but thought it best to divert her attention elsewhere momentarily.
Focusing on the cupcake she closed her eyes to make her wish, and then opened them to blow the candle out. Then she decided it really was up to her to make her wish come true, and promptly crawled into his lap and wrapped her arms around his neck, giving him a proper kiss.