Today Your source for all things celebrity and entertainment. Katherine Heigl says it was "dumb" to criticize Knocked Up the way she did eight years ago. It's been a roller-coaster ride, career-wise, for the 37-year-old actress for almost the past decade. In 2008, months after she got a major career boost to due to the success of Judd Apatow 's R-rated comedy Knocked Up , Katherine made headlines when she slammed the movie publicly. "It was a little sexist," she told Vanity Fair .