Janet Jackson by John Shearer/WireImage.com
has postponed two concerts on her Rock Witchu tour due to illness. The singer, 42, will be skipping over a scheduled Wednesday performance in Boston and a Thursday show in Philadelphia. She plans to return to the stage on Saturday North Carolina. Jackson's postponements come after a short stay at Montreal's Royal Victoria Hospital. The singer was treated for two hours at the hospital Monday evening after falling "
" shortly before her Montreal concert, a hospital spokesperson told the CBC News
. Jackson, 42, canceled the show and hopes to reschedule the stop on her tour. No further details on her condition have been released. - Joyce Eng
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