It was two superstars battling it out, but in the end Ariana Grande & Social House's “Boyfriend” (Republic) edges out Khalid's “Right Back” (RCA), 35 adds to 32. Big Sean's “Single Again” (Def Jam) grabs 18 more stations, as does Epic’s Rick Ross with Drake collab, “Gold Roses.” Layton Greene's “Leave Em Alone” (QC/Motown/Capitol) sees 14 adds on impact week, and Emotional Oranges' “Personal” (Island) nabs 13 stations out of the box.