"Breathe" Is A Song By American Singer-Songwriter Taylor Swift Featuring American Singer-Songwriter Colbie Caillat. It Was Written By Swift And Caillat Produced By Nathan Chapman And Swift It Is The Seventh Track From Swift's Second Studio Album Fearless 2008 . The Song Was Written About The End Of A Friendship. Musically An Acoustic Guitar Drives The Song And Occasionally Pianos And Violins Provide The Accompaniment. Lyrically "Breathe" Addresses Heartbreak And The Loss Of A Close Friendship. The Song Received Favorable Responses From Contemporary Music Critics. "Breathe" Was One Of Two Songs Featuring Caillat That Was Nominated For The Grammy Award For Best Pop Collaboration With Vocals In 2010 The Other Being Jason Mraz's "Lucky" The Winner Of The Award. "Breathe" Peaked At Number Eighty-Seven On The Billboard Hot 100 On November 28 2008 And Was Certified Gold By The Recording Industry Association Of America RIAA . At The Time Its Appearance Tied Swift With Hannah Montana Miley Cyrus For Two Records On The Billboard Hot 100. Swift Performed The Song Live For The First Time Ever In Miami Gardens Florida For The Reputation Stadium Tour.