Facebook.com/EltonJohnElton John may be a worldwide superstar, but he's also available for weddings.  Certain very rich people's weddings.

TMZ reports that over the weekend, John provided the entertainment for the wedding of the daughter of Jeffrey Katzenberg, the Hollywood mogul who's the "K" in the movie studio Dreamworks SKG.  The "S" is Steven Spielberg; the "G" is David Geffen.

According to TMZ, Elton was a surprise guest at the nuptials, which saw Laura Katzenberg wed record producer Mark Sudack.  He provided the music for the couple's first dance.  As for the connection between John and the family, TMZ notes that Katzenberg was the head of Disney when Elton did the smash soundtrack for The Lion King.

TMZ adds that the night before that wedding, Elton ended up singing at another wedding, at which actress Holly Valance married Nick Candy, a British billionaire.

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