Swizz Beatz broke his arm roller-skating in front of Beyoncé and Jay-Z

There was one present Swizz Beatz did not expect at his surprise party: a broken arm. The rapper told radio host Angie Martinez all about it. The 40-year-old fell "really hard" while roller-skating and needed to rush to the hospital. Good thing his wife, Alicia Keys, had just gotten him a brand-new, $200,000, lime-green Aston...