May 12, 2011 11:38 pm Prom Night for Patients at CHOP After all the excitement of picking out their fancy clothes getting their hair done, it was time for the children at Children’s Hospital of Philadelphia to go to the prom! US & World Videos 3:04 PurpleStride event in Philly raises money for those battling pancreatic cancer 3:27 ‘Take a Breather' and run to help battle against cystic fibrosis 1:49 How much time do you spend on your phone each week? Keith Jones, Erin Coleman talk screen time 2:52 Join the fight for ovarian cancer treatment and research at the Sandy Sprint 3:13 Movement, memory and Parkinson's awareness