Cristiano Ronaldo has scored 923 goals in his long, trophy-laden career. But since 2013, those goals have been followed a now infamous celebration called the "Siuuu."

Cristiano Ronaldo approaches his 40th birthday with the same confidence and self-esteem as he has always boasted throughout his successful career. Ronaldo, the former Real Madrid star who now plays in Saudi Arabia,

The Portuguese may be coming to the end of his time as a footballer but his influence is only likely to grow from here

Even as he celebrates his 40th birthday on Feb. 5, the goals continue to flow for club and country as his social media presence grows by the day. With nearly 1 billion combined across platforms, Ronaldo knows no numerical barriers.

He started out as a skinny winger with floppy hair, quick feet and outrageous skills, wowing the world at the age of 17 after moving to Manchester United. He developed at Real Madrid into perhaps the most famous athlete on the planet and one of soccer’s greatest ever goal-scorers — and is still going strong heading into his fifth decade.

Cristiano Ronaldo celebrated his 40th birthday on Wednesday with no signs of slowing down his majestic career.