appeared on Good Morning America
this morning and revealed the album cover for her upcoming album 'Prism,' but what was most exciting about Katy's appearance was the big announcement that she made.
While she had been teasing fans on Twitter about the upcoming announcement, many thought she would be revealing that she and John Mayer were engaged, but the announcement was actually something much more exciting for fans--particularly those in high school.
Check out the video above to hear Katy's announcement and get all the details.
As if that isn't exciting enough, the "Roar" singer also explains a little more about the meaning behind her new album and much more!