Many celebrities don't want to be approached when they're out in public – especially when they're trying to enjoy themselves like everyone else. However, this doesn't stop Harry Daniels. The influencer is famous for serenading celebs when they're out and about. The content creator has stopped Dua Lipa, Billie Eilish and Ariana Grande in the past, which has helped him to garner an impressive following of 2.2 million on TikTok. So when Harry spotted Katy Perry at Coachella festival, he seized the