@katyperry tweeted: Full circle: playing the 1st song I wrote for the album to close out PRISM. Dont miss #ByTheGraceofGod my most personal song, on @TheGRAMMYs

Popular in your network KATY PERRY @katyperry   Full circle: playing the 1st song I wrote for the album to close out PRISM. Dont miss #ByTheGraceofGod my most personal song, on @TheGRAMMYs View on Twitter Taylor Swift @taylorswift13   This was Abigail and me in 2005, sophomore year. Expect to see similar facial expressions tonight. @TheGRAMMYs View on Twitter Followed by neni, L SALISTA C and Chyntia Pramita Sari. Disney @Disney   Fall head over heels all over again. The new live-action #Cinderella waltzes into theatres March 13. Disney View on Twitter Followed by Cinema XXI. Jason Mraz @jason_mraz   Things are looking up. #jasonandjane #london #chillywilly View on Twitter Followed by Tya "♬. Not what you're looking for? Well there's more to see on Twitter! Click here to discover more interesting Tweets. Explore Email settings | Opt-out |  Help Twitter, Inc. 1355 Market Street, Suite 900 San Francisco, CA 94103