The Billboard Hot 100    Ed Sheeran Tops Hot 100, Katy Perry Debuts at No. 4 & Bruno Mars, Rihanna & The Weeknd All Hit Top 10 Katy Perry roars onto the Hot 100 at No. 4 with "Chained to the Rhythm," featuring Skip Marley. (The debut marks the highest for a song by a lead female since Adele's "Hello" launched at No. 1 on Nov. 14, 2015.) "Rhythm," released along with its official lyric video at midnight on Feb. 10 -- followed by Perry and Marley's performance of it on the