Bieber added a song featuring The Band Perry to his new Christmas album.

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"She had set a countdown to the concert on her phone, and her bedroom wall is covered in Justin Bieber posters, " he added.

BBC: Anger as Justin Bieber late for London O2 gig

Braun also added a message to Bieber's fans, writing: "Looks like we get to stay the underdog a little longer".

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She added that people in the crowd began booing at about 21:30, almost an hour before Bieber's act eventually started.

BBC: Anger as Justin Bieber late for London O2 gig