Niall Horan overwhelmed with Katy Perry's performance

One Direction star Niall Horan was so mesmerised with pop star Katy Perry's performance recently that he proposed the singer on Twitter.
The 20-year-old star, who enjoyed Perry's recent performance on 'The X Factor', complimented the 'Raor' hitmaker, reported Contactmusic.
"I love you Katy Perry! Thank you! Will u marry me?," Horan tweeted.
Perry in the 2010 season of 'The X Factor' got impressed with Horan's performance but she had suggested him to improve on his singing and his stage presence.