Def Leppard frontman Joe Elliott joined Billy Joel for the UK band's 1987 smash, 'Pour Some Sugar On Me',

Beck followed up Billy Joel's 100th Madison Square Garden gig -- and his own Colbert performance -- with an MSG show of his own Thursday. And like Joel, Mr. Hansen had special guests.

Bruce Springsteen made a guest appearance during Billy Joel's 100th concert at New York's Madison Square Garden

For the past five years, New York native Billy Joel has been playing monthly gigs at Madison Square Garden. Last night, he played the venue for the 100th time, 40 years after his first gig there. These residency gigs have featured a lot of special guests, and he marked last night's special occasion with a…

Bruce Springsteen won an honorary Tony Award during the ceremony at New York's Radio City Music Hall tonight. The award, which was presented by Billy Joel, was bestowed upon the Boss in recognition of his twice-extended Springsteen On Broadway show, which will finally wrap up its run in December. "This is deeply appreciated. Thank you…