Catherine Zeta-Jones pays tribute to her father-in-law, Kirk Douglas who recently turned 102.

On Instagram, Zeta-Jones posted a video of her daughter Carys Douglas—singing Christina Aguilera's 2002 hit single "Beautiful" while playing it on the piano. 

The video was captioned: "Happy 102nd birthday to the most beautiful man. We love you Kirk."

The video was Cary's was split also featured family photos of the Douglas family, a touching tribute to the grandfather of her children.

Carys also posted a picture of her grandfather, captioned:

"102 years young. to my inspiration, my pappy. i can't put into words how much you mean to me. happy birthday, i love you"

Her brother, Dylan also posted an iconic image of his Douglas:

"Happy birthday Pappy 102 years!!! Though you are adored by millions, my love for you is by far the greatest. Love you forever and always," he wrote.

Some positive energy for the family who have spent the majority of the year defending themselves from allegations of misconduct lodged against Zeta-Jones' husband, Michael Douglas. 

Douglas became an international star through positive reception for his leading role as an unscrupulous boxing hero in Champion (1949), which brought him his first nomination for the Academy Award for Best Actor. Other early films include Young Man with a Horn (1950), playing opposite Lauren Bacall and Doris Day; Ace in the Hole opposite Jan Sterling (1951); and Detective Story (1951). He received a second Oscar nomination for his dramatic role in The Bad and the Beautiful (1952), opposite Lana Turner, and his third nomination for portraying Vincent van Gogh in Lust for Life (1956).