The "Dip It Low" singer pops onstage in New York City. Plus: Jennifer Lopez, Prince Harry and more


For the first time since the 2003 Grammys, Justin Timberlake (far right) and his 'NSync bandmates (from left) Lance Bass, Joey Fatone, JC Chasez and Chris Kirkpatrick reunite Sunday at their Challenge for the Children VI charity event in Miami Beach. This likely won't be the last you'll hear from the quintet: Reportedly, a new album is in the works.