Ronaldo becomes 1st person to reach 500M followers on Instagram
Both players have more followers than worldwide-famed celebrities such as media personality and model Kylie Jenner, musician Selena Gomez, and actor and professional wrestler Dwayne Johnson, also known as "the Rock."
Kylie Jenner has 372 million followers, 4 million less followers than Messi.
A number of 357 million people are following Selena Gomez.
The Rock has 348 million followers on Instagram.