Iain Armitage, the 14-year-old actor who plays Young Sheldon on the hit CBS prequel series, posted a photo with his co-star Jim Parsons on Instagram. In the photo, Armitage is smiling brightly while posing next to Parsons.Armitage also included a long, heartfelt caption along with the photo.

'When I heard that @therealjimparsons was appearing on stage in @classicstage's production of Man of No Importance, I knew I had to get there,' he said.

Cute: Child actor Iain Armitage took to Instagram last week to share a photo alongside Jim Parsons, his Young Sheldon costar

He started off by gushing about his love for the Big Apple during the fall season: 'And here is the whole reason I went to NYC! It's one of my favorite places to go in the autumn, so I'm always looking for an excuse to get there.'

Chatting to his 624,000 followers on the photo-sharing platform, he added, 'I ended up sitting in the front row for a preview performance and it was so, so, so great!' 

Then he praised his fellow actor's chops in the off-Broadway show as he noted, 'Jim is astonishing and he's surrounded by an incredible cast. Honestly, I want to go back and see it all again!'

Engaging with his fans he asked, 'Have you seen it? Will you get to? Please let me know! Jim plays Alfie, a theatre loving bus conductor in Dublin in 1964 in this musical.

Thoughtful caption: The 14-year-old Big Little Lies alum flashed a megawatt smile in the snapshot and teamed it with a lengthy caption

In the photo the two posed side by side as Jim, 49, placed a loving arm around the youngster.

Behind them in the vacant theatre were rows of empty purple seats.

Jim was dressed in a gray-on-gray patterned shirt and blazer combination, and the strap of a backpack was visible over one of his shoulders.

To those reading his thoughtful caption, Iain insisted, 'You've never seen Jim Parsons in a role like this.

'I feel so lucky and happy that i got to go!' he wrote before adding one final line - 'Also, I was so happy to see Jim again!!!'

Dynamic duo: Iain and Jim sat next to each other onstage during the 2017 Summer Television Critics Association Press Tour in LA

Iain Armitage has played Young Sheldon, the child version of Sheldon Cooper, on the CBS prequel series Young Sheldon since it premiered in 2017. Jim Parsons, who portrays adult Sheldon on The Big Bang Theory, narrates Young Sheldon.The spinoff series is currently in its sixth season, which began airing on CBS on September 29. The show is set in the late 1980s. In 2021, CBS renewed Young Sheldon for a seventh season.