Everyone was grabbing for this rare chance to dance with their fathers, because if the two most powerful men in the country were doing it then it was alright and wouldn't stand out.
Sora didn't care, he was alive, his Father was alive, both were mostly healed, and it was time to celebrate. For what his Father had been through in the past, for what he would build in the future, and to strengthen a bond between them both that had been lacking.
Roxas just thought his father was HILARIOUS because he was too tipsy to care and his Father never had fun (or had fun in his own way).
The band may have played the song a bit long or looped a few parts to preserve this moment, and when they finally had to finish the hall just erupted into joyful applause and the dance floor was flooded again. Sora's energy was as high as it was going to get for the rest of the night and he parted from his Father with a tight hug and a thank you before searching on his toes for his most favorite partner.
He at least got in a "Hello, Hayner," when he arrived through the crowd and focused on Riku whom he hadn't even seen in quite some time. He wasn't able to check himself from observing his lover from head to toe before holding out his hand. "Mister Le Julliet, could I interest you in a dance?"