1. Chart Moves: Katy Perry, Rihanna Set Records; Lupe Fiasco, Christian Music on Billboard 200

    March 17, 2011 1:00 PM EDT The Billboard Hot 100: -- Katy Perry: As Lady Gaga's "Born This Way" remains atop the Hot 100 for a fifth week -- its entire chart run -- Katy Perry's "Teenage Dream" becomes the first album to yield four No. 1s on Ho ...

  2. Katy Perry Dominates Digital Songs, 'E.T.' Climbs Hot 100

    March 17, 2011 11:00 AM EDT 0 0 0 As Lady Gaga 's "Born This Way" remains atop the Billboard Hot 100 for a fifth week -- its entire chart run -- Katy Perry 's "Teenage Dream" becomes the first album to yield four No. 1s on Digital Songs, as "E.T.,& ...