From using social media to hitting the campaign trail, Lady Gaga, Taylor Swift, Katy Perry and John Legend are just some of the celebrities who've used their voices to remind people to vote in Tuesday's U.S. presidential election.
From using social media to hitting the campaign trail, Lady Gaga, Taylor Swift, Katy Perry and John Legend are just some of the celebrities who've used their voices to remind people to vote in Tuesday's U.S. presidential election.