WATCH: Lamine Yamal's 3-yr-old brother steals spotlight with wild celebration after Spain's win vs Austria

Spain booked their place in the FIFA World Cup 2026 Round of 16 with a commanding 3-0 victory over Austria, but it was not only La Roja's dominant performance that grabbed attention.

A heartwarming moment involving Lamine Yamal's three-year-old brother, Keyne, quickly went viral across social media as cameras captured his passionate celebration from the stands following Spain's late third goal.

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Keyne's adorable celebration goes viral

Spain sealed the victory when Mikel Oyarzabal found the back of the net in the 89th minute to make it 3-0 against Austria.

As the ball crossed the line, Keyne erupted in celebration, throwing both fists into the air before shouting, "Vamos," with visible excitement. The young supporter instantly became one of the talking points of the match, with videos of his reaction spreading rapidly across social media.

While Yamal did not get on the scoresheet, the Barcelona star once again played an important role in Spain's attacking display as they comfortably advanced to the knockout stages.

Yamal opens up about family's support

After the match, Yamal reflected on what it meant to have his family, especially his younger brother, watching him from the stands.

"It moves me to see my brother happy, to see my mother living the life she always dreamed of, and to see my friends happy. Ultimately, that is what I want. It is the greatest dream a child could have. Beyond football and everything, that means the world to me."

The Spanish winger also explained that despite the growing spotlight surrounding his career, his family continues to keep him grounded.

Playing in his first FIFA World Cup, Yamal has already made a significant impact for Spain after making his tournament debut during the group stage and opening his World Cup scoring account against Saudi Arabia.

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With Spain progressing comfortably into the Round of 16, Yamal will now hope to continue his impressive tournament, while his younger brother's unforgettable celebration has already become one of the most wholesome moments of the competition.