Yesterday (Sunday, 20 June) saw people around the globe celebrate their dad aka old man aka papa aka pop.
Among those to mark Father's Day were a number of celebrities and A-listers.
Actor and comedian Kevin Hart was among those to make tribute to the holiday.
Sharing a picture of his family on Instagram, Hart wrote: "God is good....Happy Father's Day fellas. Go watch Fatherhood on @netflix #Harts ..... P.S The level of love that I have for these kids is honestly unexplainable."
Kate Hudson shared a lovely picture of her hanging out with her father, fellow actor Kurt Russell.
"Dependable authentic captain," she wrote. "Our wild, sometimes untamed adventurer father! From skiing out of helicopters, flying in open cockpit planes, dirt bikes, bareback horse riding, motorcycle rides, boat racing…a childhood and adulthood of adventure. Our Pa always makes life fun. Always down for exploring, always ready to take on the good life with his family. He's one hell of a Dad ❤️ Lucky us 🙏 Happy Fathers Day Pa I love you so much ❤️."
Demi Moore shared a picture of Bruce Willis with their children for Father's Day.
Jason Momoa shared a heartfelt video message, and rock star Keith Richard posted a throwback pic of him with his late father Bert on an airplane in 1990.
The late Steve Irwin's children, Bindi and Robert, also shared throwback pictures of their beloved father.
Other celebrities to share posts for Father's Day included Usain Bolt, Neil Patrick Harris, Jack Black, Tracee Ellis Ross, Chrissy Teigen, Sophie Turner, Reese Witherspoon, Dua Lipa, Rainn Wilson and Dan Levy.