Celebs get swept up in World Cup madness

The World Cup kicked off last Thursday with a lot of excitement, but recent matches have caused social media to reach new heights of soccer fanaticism. Whether it's to applaud the U.S. team on its upset against Ghana, to weigh in on the Mexico-Brazil draw or to simply cheer for their home country, Twitter and Instagram users have taken over the Internet with hashtags and zeal.

And not all of these social media butterflies are sports stars. Celebrities across all media are proudly supporting their favorite teams and players. Above, click through a slideshow of some of the best soccer posts from your favorite celebrities.