On Wednesday, famed television personality and entertainer Dick Clark died of a massive heart attack. He was 82.

On Tuesday night, Clark was admitted to St. John's Hospital in Los Angeles, where he underwent a serious outpatient procedure, as previously reported.  Shortly after the procedure ended, he went into cardiac arrest, dying early Wednesday morning.

Clark's health had been declining for several years. In 2004, he suffered a major stroke that forced him to retire from hosting New Year's Rockin' Eve, which he created in 1972, reported TMZ.  Clark also suffered from Type 2 diabetes that contributed to his health problems.

Since news of his death broke, his name has been trending on Twitter, along with American Bandstand, the show that capitulated him to fame.

Check out what some of the top celebrities and politicians had to say about Dick Clark's death and how he touched their lives.

 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, tweeted Ryan Seacrest.

R.I.P. Dick Clark. New Years Eve will never be the same, tweeted David Boreanaz, star of Bones.

NOOO! #RIPDickClark RT @cnnbrk: Longtime American Bandstand host #DickClark has died, Tweeted actress Gabrielle Union.

Dick Clark was eternally young. No matter what culturally phenomenon was happening, he always embraced it. RIP, tweeted hip-hop mogul Russell Simmons.

RIP Dick Clark, tweeted Grammy winning composter and producer, Bryan-Michael Cox.

RIP Dick Clark - thanks for the many years of entertainment, tweet United States Senator John McCain.

RIP Dick Clark, tweeted Samantha Sammi Sweetheart Giancola, 

Dick Clark was one of a kind ... he built an empire in the TV glory day. He was an amazing producer and host..and he was immensely creative, tweeted television producer and celebrity reporter Harvey Levin.

So saddened by Dick Clark's passing- an innovator, a legend, a man who believed in the greatness of humans. #ThankYou, tweeted Seth Green.

Very sad to hear about Dick Clark. What a great life. What a great career. Relevant until the end. He will be missed!, tweeted Joan Rivers.

Dick Clark will always be remembered for the joyous celebration that he brought into our homes and into our hearts, tweeted Congressman Dennis Kucinich.

We are absolutely heartbroken.One of our favorite people, and a Times Square New Year's Eve icon, Dick Clark has passed away at age 82. #SAD, tweeted the official Twitter of Times Square.

Am still amazed that Dick Clark was only 82... What a career; Of course, he looked 49 for 25 years, tweeted NBC Reporter Chuck Todd.

RIP Mr. Dick Clark. You will be missed, tweeted Chris Daughtry.

RIP Dick Clark, tweeted Natalie Grant.

Condolences to the family of Dick Clark. We join them in mourning his passing, & will never forget his achievements in entertainment & music, tweeted House Speaker John Boehner.

Rest in Peace Dick Clark!! Thanks for entertaining my family for decades! New Years won't be the same ever again! tweeted Melissa Joan Hart.

Our hearts go out 2 Dick Clark's family. The memories u've created will live forever & r experiences w/ u is, tweeted the Backstreet Boys on their official account.

Comedian Rob Delany made several tweets regarding Dick Clark's death.

RIP Rick Clark

RIP Steve Jobs

FYI Dick Clark

LOL Dick Clark

CGI Dick Clark

Ryan Seacrest holding strategy meeting to properly calibrate emotion in his Dick Clark statement.

RIP Dick Clark, an American icon & great NYer who grew up in Mt. Vernon, went to @SyracuseU & got his start @WKTV. You will be missed, tweeted New York Senator Chuck Schumer.

RIP Dick Clark. What a legend ..., tweeted Sophia Bush.