Janet Jackson is reportedly relentless in the pursuit of performing a stellar tribute to her late brother and entertainer Michael Jackson.
According to one of twenty dancers currently in rehearsals for the tribute, Jackson has put in upwards of 15 hours a day to make sure everything is right.
Teaming up with renowned choreographers Frank Gatson and Travis Payne, sources told TMZ "there won't be a dry eye in the house" when Jackson completes the performance.
The 2009 MTV Video Music Awards will air Sunday, September 13 at 9pm on MTV.
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