WCCO got an exclusive look into a private evening this week in Minneapolis with stars including Sir Elton John, Geena Davis, Kevin Costner and Chris Tucker, all to support the Minnesota-based Starkey Hearing Foundation.

"It was kind of an impromptu event because David [Furnish, John's husband] called and said, 'You know what, we're doing an event in LA, we're flying to Toronto, we are flying right over Minnesota. You want us to stop?' Sure!" said Tani Austin, vice chair of Starkey Hearing Foundation.

It's a friendship built in philanthropy. Tani Austin co-chairs the Elton John AIDS Foundation, while John supports her foundation, which she runs with husband Bill Austin, the principal owner and chairman of Starkey Hearing Technologies.

"[Bill Austin] wanted to be a missionary doctor but h

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