Michael Phelps Reveals What He Was Listening to When He Created #PhelpsFace

— -- Michael Phelps' just revealed the song that inspired #PhelpsFace.

Remember the record-breaking medalist's fierce stare of determination during the Summer Olympics in Rio? It happened when the Maryland swimmer was preparing for a race in the 200 meter butterfly semifinal.

As South Africa's Chad le Clos was amping himself up by shadow boxing, Phelps created "the face." The face seemingly worked for the swimmer -- he finished second while le Clos finished fourth.

During Sunday night's Video Music Awards on MTV, Phelps said while he was creating the face, he was listening to Future's 2015 song "Stick Talk."

The swimmer made the revelation while introducing the rapper, who went onto perform a number of his songs, including "F--- Up Some Commas."