EDITORIAL USE ONLY - NO BYLINE (1264875c) Prince Prince 'Welcome 2 America' Tour concert, Madison Square Garden, New York, America - 18 Dec 2010 Prince kicked off his 'Welcome 2 America' tour at Madison Square Garden, and invited celebrity guests including singer and actor Jamie Foxx, Alicia Keys, model Naomi Campbell and actress Whoopi Goldberg to join him on stage.