June 21st was Father's Day, and many celebrities shared messages of support for their fathers and shared images of themselves as fathers on social media.

New dads celebrating their first Father's Day posted photos of themselves holding their little ones. Ryan Reynolds posted on Twitter, "My daughter smiled at me on Father's Day. This is the gift I wanted most." Blake Lively, mother of his 6-month-old daughter, James, posted a photo of Ryan holding James in a baby carrier on Instagram.

Justin Timberlake, who welcomed his first child, a son named Silas, with his wife, Jessica Biel, in April of this year, also posted a photo of the father and son on Instagram. "Happy Father's Day to all the dads out there. From the newest member of the Dads Club!!" he captioned a photo of him holding his son, who was wearing a baby outfit with "I love you, DAD" embroidered on it.

Meadow, the daughter of Paul Walker, who tragically died in a car accident two years ago, posted a photo on Instagram of Paul holding her as a baby and kissing her on the cheek. 16-year-old Meadow posts memorable photos of father and daughter on the anniversary of her father's death and birthday.

Model and actress Kylie Jenner posted a photo and message on Instagram to her father (Olympic gold medalist Bruce Jenner), who underwent sex reassignment surgery and decided to live as a woman named "Caitlyn," saying, "Happy Father's Day to my sunshine." The message was accompanied by a message from Caitlin, which read: "You can call me 'Daddy'. No matter what, I'm still your dad. That will never change."