The Patience Challenge swept through celebrities' homes this week, as Kylie Jenner and Travis Scott's 2-year-old daughter Stormi and Gabrielle Union and Dwyane Wade's 18-month-old daughter Kaavia resisted the urge to snack.When Jenner left Stormi alone with a bowl of M&Ms after promising she could eat three once Mommy returned from the bathroom, the toddler anxiously waited to score her brownie (or chocolate) points.