Rihanna’s “We Found Love” (Def Jam/Universal), featuring Calvin Harris, started a second week atop the U.K. singles chart Sunday (Oct. 16), on which Maroon 5’s Adam Levine now appears on simultaneous top three hits. On the album survey, late 1990s/early 2000s British hit-making pop quintet Steps burst back at No. 1 with the new Sony Music compilation, “The Ultimate Collection.”