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Who knew upon the release of her very mainstream first single that Pink would turn out to be one of the most beloved songwriters of my generation?

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Who knew upon the release of her super-pop-leaning debut album that Pink would turn out to be one of the best vocalists of my generation?

Who knew upon the release of her 2000 debut album that Pink would turn out to be one of the most popular artists of my generation?

Who Knew? Pink knew.

The woman who defied her label, broke down barriers, made diary-fueled lyrics globally relatable and became one of my all-time favorite musicians is back with a new album and a promotional tour that brought her to SIRIUS XM's The Pulse for a stunning acoustic performance of Who Knew.

VIDEO - Pink's Video Love Letter to Her Daughter

Check out her performance above and don't forget to buy The Truth About Love on September 18!