The world is in shock over the death of pop icon Whitney Houston.

The 48-year-old singer was one of the most successful artists of all time and had fans all over the world. Once news of her passing broke, millions of people took to social media to express their disbelief.

Many athletes were among those who took to Twitter to express their shock over the news. Reactions came from all over. From superstar NFL players to ESPN analysts, everyone wanted to pay their respect to a true music legend.

[View the story "Sports World Reacts to the Passing of Whitney Houston" on Storify]