They can't get enough of each other!
The Roar songstress performed at Hillary Clinton's fundraiser at Radio City Music Hall on Wednesday night, where her new beau made a little appearance to show his support.
As it's been reported that their blossoming relationship is looking "very serious," they didn't actually end up leaving together, so maybe they're not quite ready to make the PDA so public.
Besides, judging by Katy P's ensem, she wanted the focus to be on Hil… and not her new boo!
Catch a peek at her patriotic performance outfit (below) and even see a snippet of her performance: