Michael J. Fox celebrated his son Sam’s thirty fourth birthday amid the actor’s worsening battle with Parkinson’s illness.

“Completely happy Birthday to my massive bouncing child boy @palekidd you’re the finest,” the “Again to the Future” star, 61, captioned a carousel of pics on Instagram earlier this week.

“Proud to be your pops. Love you!”

In one of many snaps, Sam was in the midst of blowing out the candles on his chocolate-covered cake.

Fox and his eldest little one have been seen posing on a ship in entrance of a waterfall in one other picture.

The “Household Ties” alum then planted a kiss on Sam’s cheek because the birthday boy smiled with glee in a 3rd pic.

Fox’s spouse, Tracy Pollan, additionally commemorated their son’s special occasion on Instagram.

“Completely happy Birthday to the best possible son ever! You fill my life with a lot pleasure, humor, kindness, and random data that I by no means knew! I really like you!,” she captioned an Instagram publish, that includes Sam driving a horse and out on a ship together with her.

Fox and Pollan, who tied the knot in 1988, are additionally dad and mom to twins Aquinnah and Schuyler, 28, and daughter Esmé, 21.

The “Spin Metropolis” star’s tribute to his son comes greater than a month after he revealed that his greater than 30-year battle with Parkinson’s illness — which impacts the nervous system and motor abilities — was getting “tougher.”

“[Parkinson’s] banging on the door … I’m not going to lie, it’s getting arduous. It’s getting tougher. It’s getting more durable,” the beloved actor instructed “CBS Sunday Morning” on April 30. “Every single day it’s more durable … that’s the best way it’s.”

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Fox — who was recognized with the mind dysfunction when he was 29 — defined that he’s had extra bother strolling and has damaged a number of bones since he had surgical procedure to take away a benign tumor on his backbone.

“I’ve been interested by the mortality of it … I’m not going to be 80. I’m not going to be 80,” he added.

Fox stepped away from performing in 2020 as a result of his declining well being.

“There’s a time for every thing, and my time of placing in a 12-hour workday, and memorizing seven pages of dialogue, is finest behind me,” he revealed in his fourth e book, “No Time Just like the Future: An Optimist Considers Mortality.”

Fox has turn into a number one advocate for analysis on the situation. His Michael J. Fox Basis, which was based in 2000, has raised greater than $1 billion.