Check out this dug-up-out-of-nowhere footage of the 31-year-old Crazy, Stupid, Love star as a gawky little denim-shirt-wearing 12-year-old.
The all-singing, all-dancing mini-Ryan was being interviewed on TV about his new gig on The Mickey Mouse Club alongside future stars Britney Spears, Justin Timberlake and Christina Aguilera.
"I hit the roof. It was so fun," wee little Gosling tells of his joy at beating 15,000 precocious youngsters to score the coveted role of Canada's first Mouseketeer.
If reality TV had been around then, there would've surely been a Canada's Next Top Mouseketeer talent search.
More awkward, hilarious and cute-as-a-button moments await in our all-new video slideshow of stars' first acting jobs: