Michael Douglas, 74, was awarded with his own star for his over 50 years in the entertainment industry.
The actor opted for a navy suit and tie at the ceremony where he was supported by Kirk, his wife Catherine Zeta Jones and son Cameron.
In a rare moment, Michael was seen leaning down to his father and kissing him on the lips.
The adorable father and son moment was pictured by photographers, who also captured the pair engaging in a chat.
Spartacus actor Kirk sported a pink shirt with a black jacket and dark sunglasses as he supported his son.
Michael paid a tribute to his father ahead of unveiling his star.
He said tp the crowd: “My dad is here. In a month Kirk turns 102 years old. So those of you who took the under on him making 80 you lost a long time ago.”
Turning to his father, he said: “I know, no son of yours is celebrating his 50th anniversary in the business… it means so much to me dad that you’re here today.
“I thank you for your advice, your inspiration and I’ll say it simply with all my heart, I’m so proud to be your son.”
Elsewhere, Michael’s wife Catherine dressed elegantly in a polka dot black and white dress which clung on to her sensational physique.
The brunette beauty flashed her well-defined pins in the tight-fitted number which she also wore with white stilettos.
Putting on a glamorous display, the actress wore her brunette tresses in bouncy curls.
The duo put on a loved-up display for their audience, passionately locking lips while Michael gazed into her eyes.
Earlier today, Catherine gave an insight into the couple’s car journey as they made their way to the ceremony.
In view of her 1.7 million followers, the video began with Catherine saying: “Well, we are in the car.”
She then turned the camera around to Michael, adding: “And someone is getting a Hollywood star on the Walk Of Fame and that is my hubby.”
Michael then nodded and pointed at himself with pride, before she added: “Yes, Michael Douglas…Hollywood star.”
She captioned the clip: “On our way to the Hollywood walk of fame ceremony.
“My hubby is getting his star to go along with his hands and feet! Hooray for Hollywood.”
Catherine’s video received a mass of comments from many of her followers.
One user commented: “Mr Michael Douglas Congrats!!! You deserved one of the Best Actors of all times.”
A second added: “He should have one already! Well deserved Congratulations!”
A third penned: “WHAT?! I can’t believe they are just now giving him a star. He deserved one YEARS ago! Congratulations.”