Actress Jenny McCarthy has been dumped again. McCarthy won't be in Ottawa for Bust A Move.

The Ottawa Regional Cancer Foundation reacted today to a public backlash in signing the anti-vaccine campaigner to the Ottawa breast health fundraiser.

McCarthy was to headline a fitness class for the March 2nd fundraiser at the Ottawa Athletic Club.

Social media websites exploded with negative reaction to McCarthy's choice for Ottawa's Bust A Move celebrity.

Twitter featured hashtag #DropJenny.

McCarthy has been replaced by fitness guru Tommy Europe.