Taylor Swift writes and sings.
`` Shake It Off '' is a song recorded by American singer-songwriter Taylor Swift from her fifth album , 1989 ( 2014 ) . Taylor Swift . Her fourth album , Red ( 2012 ) , yielded the successful singles `` We Are Never Ever Getting Back Together '' and `` I Knew You Were Trouble '' . `` We Are Never Ever Getting Back Together '' is a song recorded by American singer-songwriter Taylor Swift for her fourth studio album , Red ( 2012 ) . Swift co-wrote the song with its producers , Max Martin and Shellback .