Ex-UFC Owner's Daughter Has Bruno Mars, John Mayer & Seal Play Weddin

The UFC is the gift that keeps on giving, especially if you're one of the guys who sold it for max profit ... and later got some of the biggest names in music for your kid's wedding.

Frank Fertitta's daughter, Kelley, got hitched this weekend in Vegas to her man, Tyler, in what turned out to be one hell of a shindig -- 'cause they got guys like Bruno Mars, John Mayer and Seal to perform live. Needless to say ... that can't come cheap.

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