The '22' star says "you do not want to open that can of worms" when asked about the former couple.
Justin Bieber Shows Off English Accent Backstage At Summertime Ball 2012 – Video
The 'Never Say Never' spoke shortly before heading on stage at Wembley Stadium
Justin Bieber spoke to Capital backstage ahead of his appearance at the Summertime Ball 2012 and showed off his best English accent.
The 'Somebody To Love' singer teased his set-list which he revealed would include his recent single 'Believe' and forthcoming release 'All Around The World'.
The Canadian star also admitted he recently lost one of his prized Rolex watches in Las Vegas and confessed to be being such a hard worker that he never sleeps.
The star was appearing live on stage at Wembley Stadium alongside the likes of Usher, Coldplay and Katy Perry.
The star performed an array of his biggest hits on the night including recent single 'Boyfriend' and was joined by surprise guest Carly Rae Jepsen for the performance.
You can watch Justin Bieber speaking to Capital presenter Will Cozens backstage at the Summertime Ball 2012 below:
Capital FM is coming live from the Summertime Ball at London's Wembley Stadium on 9th June.
Keep your eye on the ball by heading to our Summertime Ball area for all the latest news, photo galleries and interviews from this year's event.
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