Slow Hands Niall Horan
14 December 2012, 11:42
The 'Wide Awake' singer's boyfriend also joined the rock band on stage to sing their hit 'Respectable'.
Katy Perry and John Mayer celebrated going public with their relationship this week by attending a Rolling Stones concert, which even saw 'Your Body Is A Wonderland' singer John joining the legendary rock band on stage.
The 'Teenage Dream' singer made her official red carpet debut with the US singer-songwriter for a Broadway performance on Wednesday evening (12th December), where she was heard introducing the star as her "boyfriend", and the two were pictured getting cosy together for the Rolling Stones' show in Newark, New Jersey on Thursday (13th December).
Katy opted for a simple printed t-shit and patterned blazer for their night out together, while John also kept his outfit simple with a black shirt and light jacket.
US star John also joined the Rolling Stones on stage midway through their '50 And Counting' concert for a joint performance of their hit 'Respectable'.
Check out a picture of Katy Perry and John Mayer watching the Rolling Stones together this week below:
John and Katy were seen cuddling up for the remainder of the show, with several pictures showing the singer whispering into Katy's ear throughout the performance.
Katy Perry is set to continue work on the follow-up to her 2010 album 'Teenage Dream' for the next few months.