Here's What David Letterman Had to Say about the Late Regis Philbin Following His Death

David Letterman had a few words to share in loving memory of fellow entertainer Regis Philbin who passed a few days ago. Letterman would much miss the "best guest" on the show.

TV icon David Letterman shared his heartfelt tribute in honor of Hollywood star Regis Philbin who passed on a few days back.

Taking to his Twitter page, Letterman penned his fondest memory of the late Regis Philbin, while showing that the TV legend had an impressive personality.

Many fans agreed with Letterman's sentiments concerning Philbin's positive energy on his show. Someone shared their fond memory: "My favorite was the two of you together. You could feel the love and respect you had for each other."

For most parts of their TV career, David Letterman and Regis Philbin were colleagues and close pals. Philbin, oftentimes in the past, filled in for Letterman on his late show. One such time was when Letterman, 73, was recovering from surgery.

Philbin became the guest with the highest appearances on the "Late Show with David Letterman," with a total of 136 sessions.

Regis Philbin, who won the Guinness World Record for the most hours on TV, died at the age of 88, from natural causes. Active since 1955, Philbin, a New York native, started his showbiz career in San Diego.

He co-hosted "Live! With Regis and Kathie Lee" with Kathie Lee Gifford and was joined by Kelly Ripa after 15 years.

Philbin was famous for being the pioneer host of the popular reality game show, "Who Wants To Be A Millionaire." Many stars in line with show hosting, held Philbin in high esteem.

During his retirement from daytime hosting in 2011, his co-host, Kelly Ripa, called him the "world's greatest storyteller." Jimmy Kimmel wrote in his heartfelt Twitter tribute:

"Regis was a great broadcaster, a good friend and a tremendous amount of fun… he leaves behind… a TV legacy that will likely go unmatched…"

David Letterman has graced late-night TV for as long as 33 years and counting. In all those years, the witty showman got fancied by his guest, gave them mixed feelings, or outrightly started a feud.

With Regis Philbin, David Letterman did not have to worry about putting anyone on the spot as they naturally flowed.

Over the years, Philbin became the guest with the highest appearances on the "Late Show with David Letterman," with a total of 136 sessions. It is no doubt that Regis Philbin will be greatly missed.