Sparkle stars Carmen Ejogo, Jordin Sparks (in Alice + Olivia) and Tika Sumpter (in Bill Blass) stuck together at the New York premiere, hosted by The Cinema Society with Alice + Olivia and Circa, and the crowd teared up when the late Whitney Houston belted out her song during the screening. “Working with Whitney was extraordinary,” Sumpter told InStyle.com. “She was always about other people. And she taught us you are never too big to be humble.” The movie hits theaters Friday. Click through to see more stars at this week’s hottest events.