Vlad really didn't want to make any sort of appearance at a pagan celebration. The only reason he'd be at such an event in the past would be to kill. He doubted that Gellert even expected to see him here tonight. But a part of him felt compelled to drop by for the man's sake, as brief as it may be unless he could do some feasting?
Following the man for a few minutes he finally came up behind him and whispered in his ear. "Nice party. The band sucks though."