In the video above, you can easily tell that Justin Bieber isn't feeling well while on stage in London. During the singer's third night at the O2 Arena, Justin became short of breath and even let the crowd know something was wrong. Justin was given oxygen back-stage and came out to do a few more songs before being taken to a nearby hospital. To hear what some fans had to say about the incident, watch above!
Do you think Justin's Believe tour is wearing him out? Tweet us @OKMagazine and tell us your thoughts in the comments below.
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