Anderson Cooper took to Instagram on Wednesday to share a series of photos to celebrate his two-year-old son Wyatt Morgan's birthday. The post also had a family picture featuring his two kids - Wyatt and Sebastian Luke - alongside his ex-partner Benjamin Maisani.

In the first photo, Cooper shared a cute photo of him holding Wyatt, who was wearing a red t-shirt. In the next photo, Wyatt can be seen standing alone posing for the camera. The 54-year-old broadcaster also shared a bunch of throwback photos of Wyatt.

In the last photo, Cooper can be seen clicking a selfie with his right hand while he holds his two months old baby, Sebastian in his left arm. Maisani, on the other hand, was holding Wyatt and posed for the selfie.

"Wyatt is two years old today! It is hard to believe," Cooper captioned the post. "He is sweet and funny, kind and caring. Your Papa and brother and I love you sooooo much!"

Celebs took to the comments section to share their reactions.

Actress Molly Shannon wrote, "He is just adorable!!!! Happy Birthday!!!" while news anchor Steven Romo commented, "Two years already?! Time flies. What an adorable family! Happy birthday, Wyatt!"

Actor Leslie Jordan also wrote, "Let the wonder begin! Those eyes! He’s a seeker!! Wants to know all about it! Like his daddy!" Many fans also shared their blessings in the comments section.

Cooper and Maisani dated for nine years before they split in 2018.

"Benjamin and I separated as boyfriends some time ago," Cooper told US Magazine. "We are still family to each other, and love each other very much. We remain the best of friends, and will continue to share much of our lives together."

On the work front, Cooper has been a regular on a TV series, "60 Minutes," since 2006. The broadcaster is also regular on another TV series, "Anderson Cooper 360°," since 2003. He was last seen in a documentary, "Bodyslammed: Folk Hero vs. Billionaire."

He also dropped a new show, "Parental Guidance with Anderson Cooper," on CNN+ that involves experts who guide working parents to deal with their kids on daily basis.

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Anderson Cooper could be the new co-host of "Live! With Kelly." Pictured: Anderson Cooper attends Turner Upfront 2016 arrivals at The Theater at Madison Square Garden on May 18, 2016 in New York City. Nicholas Hunt/Getty Images for Turner