Cristiano Ronaldo celebrates his 40th birthday today, and most of those years have been spent playing soccer at the highest level. With so many years in profess

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

Despite playing outside Europe at Al-Nassr in the Saudi Pro League, Ronaldo, the highest-paid footballer in the world, is "quite possibly the most famous person in the world", too. His star status is so supreme, that when he does finally hang up his boots, he will surely find ways "not just to sustain his fame but to expand it".