All the latest entertainment news including Nick Jonas at ÒLate Night with David LettermanÓ, Johnathan Ross confirms he is leaving his post at the BBC, Jay Leno snapped outside his LA studio, celebs snapped around LA, Sam Waterson honored on the Walk of Fame, Matthew Broderick steps out with his director and Kate Bosworth makes a mad dash through the airport in a daily rundown of WireImage’s unique coverage of everything entertainment.