The Pop Songs chart measures total weekly plays, as tabulated by Nielsen Music, among its reporting panel of 160 mainstream top 40 stations.
As for him and her romantically, G-Eazy and Halsey aren't the first couple in real life to top Pop Songs together: Beyonce led the list dated Aug. 16, 2003, with "Crazy in Love," featuring then-future husband JAY-Z.
Among other moves on Pop Songs, Camila Cabello earns her fourth top 10 as a soloist, as "Never Be the Same" surges 14-10. (Fifth Harmony, which Cabello left in December 2016, tallied two top 10s while she was a member.)
Plus, Meghan Trainor's "No Excuses" is the Pop Songs chart's Greatest Gainer, jumping 40-26 with a 211 percent increase in plays.
G-Eazy and Halsey's "Him & I" has hit a No. 14 high on the streaming-, airplay- and sales-based Billboard Hot 100. Highlights of the March 17-dated Hot 100's top 10 will be revealed later today and all charts will update tomorrow (March 13) on Billboard.com.