Sporting his Inspector Clouseau mustache, Steve Martin married girlfriend Anne Stringfield at his Los Angeles home on Saturday, says a rep for the funny man.

The surprise ceremony, which had not been announced beforehand to the approximately 75 guests in attendance, was presided over by Bob Kerrey, the former Nebraska Senator and attempted 1992 Democratic presidential candidate – and a friend of Martin’s, publicist Alan Nierob tells the Associated Press.

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The guests, who included Tom Hanks, Diane Keaton, Eugene Levy, Carl Reiner and magician Ricky Jay, had simply been told they were invited to the Martin home a “party,” according to the publicist.

Best man was Lorne Michaels, creator of Saturday Night Live, for which Martin has been a frequent host over the past three decades. (He reputedly holds the record for hosting the most times, though Alec Baldwin is catching up.)

Martin, 61, and Stringfield, 35, dated for about three years, said Nierob. This is a first marriage for the bride, who is a writer and former staffer for The New Yorker magazine, to which Martin contributes humor pieces.

Martin was previously married, from 1986 to 1994, to his costar in 1984’s All of Me and 1991’s L.A. Stories, Victoria Tennant. That marriage ended in divorce.

During Saturday’s wedding, which was first reported by TV’s The Insider, the groom was sporting his Clouseau mustache because he is again about to assume the role of the bumbler for an the upcoming sequel to 2006’s Pink Panther remake. In a message he posted on his Web site, Martin says he’ll begin shooting in August.