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Although heavily produced, it was clear that JLo was having a good time as she strutted and jumped up and down on stage, defying gravity and balance in stiletto heels that must have added at least four inches to her height. Photo: Peter Harrison/Yahoo! Maktoob

Although heavily produced, it was clear that JLo was having a good time as she strutted and jumped up and down on stage, defying gravity and balance in stiletto heals that must have added at least four inches to her height. Photo: Peter Harrison/Yahoo! Maktoob

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