Janet Jackson by Tony Barson/WireImage.com
has been hospitalized after falling ill shortly before her Monday night concert,
The 42-year-old canceled her Montreal gig after getting "suddenly ill during the sound check" and had to be rushed to the hospital, her rep said.
Jackson, on tour in support of her tenth studio album
, is currently being monitored at the hospital and hopes to reschedule the show.
Earlier this year, the songstress nixed an appearance on
Saturday Night Live
hospitalized for the flu