This moment was really, really, ridiculously cool. Ben Stiller shared that working with David Bowie on the 2001 comedy “Zoolander,” is a highlight in his career. “Having worked with so many different people over the years, it’s really one of the high points to have had that time with him,” the actor, 60, told Entertainment Weekly . “He was incredibly generous, incredibly classy — everybody on set was in awe.” Bowie, who died in 2016, had a cameo in the movie, which followed the life of an air-