sa. ♪ >> not only were you making fun music, but making socially conscious music, too. >> at the same time. >> taylor swift lit up twitter after appearing to other an expletive when oappeared on stage. more than two-hour show wrapped with a live katy perry concert under the iconic brooklyn bridge. all right, katy perry was great, good for gaga coming back for miley, i think, is in traction this morning. >> i don't even. let's just move it on. >> thanks, nushe.