Does Niall want to marry Katy?

Ever since his bandmate Zayn Malik popped the question to Little Mix's Perrie Edwards in August, Niall Horan has had weddings on the brain. And he has a specific bride in mind his longtime celeb crush, Katy Perry! It all started when Niall jokingly tweeted, "Will you marry me?" to the "Unconditionally" singer. Just a week later, the two hung out in Tokyo, Japan, after which Niall posted a series of cute photos on Instagram about their "engagement" plans. "She said yes… it's happening!" Niall wrote. Don't worry, John Mayer there aren't really wedding bells roaring… err, ringing!