Paul Shefrin, a spokesman for Clark, said he had a heart attack Wednesday morning (April 18) at Saint John's hospital in Santa Monica, Calif. His death comes just one day after he was admitted for an outpatient procedure.

Many hip-hop and R&B entertainers grew up watching Clark, born Nov. 30, 1929. He welcomed their idols and mentors to his shows. Some of them, like OutKast, even had the chance to meet "the world's oldest teenager," as he was so often called. A wealth of artists, music executives and even the lauded TV icon's mentee Ryan Seacrest have taken to Twitter to share their sentiments over his passing. Check out their words below.

Watch Beyonce Perform "I Was Here" on "Dick Clark's New Year's Rockin' Eve"

See Photos of Dick Clark Throughout His Career


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