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Bob Saget joins Carly Rae Jepsen onstage to duet on 'Fuller House' theme

Whatever happened to predictability?

While performing in Milwaukee on Friday night, Carly Rae Jepsen — who covers Jesse Frederick's "Full House" theme song, "Everywhere You Look," for the sitcom's Netflix sequel, "Fuller House" — was joined onstage by a special guest: "Full(er) House" star Bob Saget!

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According to E! News, Saget had wrapped a comedy show in the same city when he stopped by Jepsen's concert to sing the catchy theme song. The crowd, as expected, cheered like crazy, and contributed their own vocals on the chorus. To put it another way, they really, really, really, really, really, really liked it.

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