Happy Birthday to the one and only King of Pop, Michael Jackson! He would have turned 55 years old today... People all around the world are celebrating- playing his music and replicating the moves he made so famous. Check out the cast of Michael Jackson THE IMMORTAL World Tour by Cirque du Soleil as they party it up to the classic hit, "Wanna Be Startin' Something". And for more Michael flavor, check below for my review for the Cirque Du Soleil Michael Jackson ONE show now playing in Las Vegas at the Mandalay Bay. From cirquedusoleil YouTube.