Justin Bieber collapsed on stage from shortness of breath during a performance in London on Thursday night, representatives for the Canadian teen pop star .\r \r \r \r MEDIA, BLOG SITES.IF YOU USE THE VIDEO GIVE PROPER CREDIT!!! Check out Facebook.com/FoamNGlow and Follow me @KirkKelly on Twitter Justin .\r \r Justin Bieber collapsed on stage in London on Thursday night, presumably from exhaustion and dehydration. The Boyfriend singer quickly recuperated .\r \r LONDON -- Justin Bieber apologized Tuesday to his young fans -- and their outraged, overtired parents -- after they accused him of taking the stage .
