Sign up for the Socialite Life newsletter. A three-time weekly dose of divas, drag queens, hot male celebrities, models, & pop culture news. Get it in your inbox. The recent allegations of abuse and toxicity at kids network Nickelodeon, exposed in the Investigation Discovery docuseries Quiet on Set: The Dark Side of Kids TV, have brought reactions from former network child stars, including Kenan Thompson, Josh Peck, and now Melissa Joan Hart, who starred in five seasons of Nickelodeon’s Clarissa Explains It All in the ’90s. “I absolutely trust them, believe them, a hundred percent,” Hart said …