Kelly Osbourne has seen the dark side of Hollywood. During the Tuesday, May 21, episode of “The Osbournes Podcast,” the former Fashion Police star, 39, recalled a traumatic encounter with an executive where they told her she wouldn’t be successful if she didn’t get skinnier. “When I was a kid, I got pulled into the head of the agency’s office, and he was putting golf balls into a cup and gave me a whole speech about how I was too fat for TV and I needed to lose weight, and that if I lost weight, I would look better,” she told her family members. Although she did not name the person in power wh…