Who is ronaldo in waka waka vidio?

In Shakira's "Waka Waka (This Time for Africa)" music video, Ronaldo refers to the famous Portuguese footballer Cristiano Ronaldo, who is featured briefly alongside other players. The video was made for the 2010 FIFA World Cup and celebrates football, unity, and the spirit of competition. Ronaldo's appearance emphasizes the excitement and star power associated with the tournament.