Responses ranged from the mournful to those that joyfully praised Clark's legacy. But many simply recalled him as a legend.
"Just heard the news [about] Dick Clark," Tweeted Mario Lopez. "It was truly an honor to have worked with him, learn from him and to be able to call him a friend. He was a great man and an even better friend."
...was a great man and an even better friend. The word legend is thrown around a lot, but it's never more appropriate than when used...— Mario Lopez (@MarioLopezExtra) April 18, 2012
Lopez continued. "He was a real inspiration & influence in my life. I will dearly miss my friend... Rest well DC."
Clark's other celebrity fans who took to social media to share their thoughts:
Matthew Morrison: "A sad day as we have lost Dick Clark, an American Icon. You will be missed."
Denise Richards: "My heart goes out to Dick Clark's family and loved ones ... we lost a legend.. #RIPDickClark"
Seth Green: "So saddened by Dick Clark's passing- an innovator, a legend, a man who believed in the greatness of humans. #ThankYou"
David Boreanaz: "My father did a lot of work with Dick Clark @Jim_Gardner . He remembers the moments at AM/Philadelphia and the days at WOLF-AM, SYR, NY."
R.I.P. Dick Clark. New Years Eve will never be the same.— David Boreanaz (@David_Boreanaz) April 18, 2012
CNN's Don Lemon: "There is a HUGE dance party in heaven right now lead by #DickClark & #DonCornelius. #RIPDickClark"
Ryan Seacrest, who took over Clark's role as the primary host of ABC's New Year's Rockin' Eve after Clark suffered a stroke in 2004, paid tribute on Twitter. "I am deeply saddened by the loss of my dear friend Dick Clark," Seacrest Tweeted Wednesday afternoon after hearing of his mentor's death.
I am deeply saddened by the loss of my dear friend Dick Clark. He has truly been one of the greatest influences in my life.— Ryan Seacrest (@RyanSeacrest) April 18, 2012
Giada De Laurentiis: "aww...RIP #DickClark...a legend that will never be forgotten. #sendinglove"
Joan Rivers: "What a great career. Relevant until the end."
Very sad to hear about Dick Clark. What a great life. What a great career. Relevant until the end. He will be missed!— Joan Rivers (@Joan_Rivers) April 18, 2012
Marlee Matlin: "So sorry about passing of Dick Clark. A man with the gift of discovering talented musicians he also was a consummate producer/lovely man RIP"
Billy Ray Cyrus: "R.I.P. Dick Clark. Thoughts and prayers with the Clark Family."
Holly Robinson Peete: "#RIP Dick Clark. Always so nice Employed me many times. I will miss you Dick. Prayers to Kari and the family #Legend"
Hanson: "Personal Note from Isaac"
Personal Note:Dick Clark produced a TV special for us back in 1997.I am very proud of the acoustic performance from that show.-ISAAC— HANSON (@hansonmusic) April 18, 2012
One longtime pal of Clark's sent his tribute the old fashioned way – by press release.
Kenny Rogers said in a statement Wednesday afternoon: "I'm one of the lucky people who can say that I knew Dick Clark personally. Dick produced almost every awards show I was on during the 80's, and he constantly encouraged me toward success. He will be missed by everyone – especially by those who knew him well."