The support for Team USA is reaching a fever pitch.
American fans are optimistic that USA will win against Belgium and the growing popularity of soccer in the U.S. keeps rising for the first time in history.
SEE ALSO: Cristiano Ronaldo saves the USA
Fans in the U.S. have started the hashtag#IBelieveThatWeWillWin or just #IBelieve on Twitter to show their support.
Even President Barack Obama stopped everything last week to watch the U.S. vs. Germany.
Diehard fans in the U.S. got recognized by FIFA
FIFAWorldCup2014 (@WorIdCup2O14) June 26, 2014
Coach Klinsmann thanks the fans for their support
Jürgen Klinsmann (@J_Klinsmann) June 27, 2014
USA soccer fever grips celebs
Ryan Seacrest (@RyanSeacrest) June 26, 2014
Justin Timberlake (@jtimberlake) June 26, 2014
Jessica Biel (@JessicaBiel) June 26, 2014