Pop singer Betty Who sounds off on Britney Spears

Australian-American singer Betty Who — who will open for Kesha at Rooftop at Pier 17 on Tuesday (and then the Stone Pony Summer Stage in Asbury Park, NJ on Sept. 2) — is a staunch supporter of the #FreeBritney movement.

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Britney Spears still does NOT want to perform, she tells court

How Britney Spears From Broadway's Once Upon a One More Time – The

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Betty Who: Born at Berklee