Machine Gun Kelly, Eminem Ignite Beef After previously reaching the Social 50 chart for one week in June 2017 (No. 46), Machine Gun Kelly (below) vaults to No. 13 on the latest tally. The rapper re-enters thanks to 113,000 KELLY: GABRIEL OLSEN/FILMMAGIC. EMINEM: EVAN AGOSTINI/INVISION/AP IMAGES. AGOSTINI/INVISION/AP EMINEM: EVAN GABRIEL OLSEN/FILMMAGIC. KELLY: Twitter mentions, as well as 147,000 Wikipedia views, all up from negligible amounts, according to Next Big Sound, in the week ending Sept. 6. The The week’s The week’s reason for his sizable boost in social media activity? MGK was one of the sources of Eminem’s STREAMING SONGS: STREAMING ire on his surprise No. 1 Billboard 200 album Kamikaze (specifically on “Not Alike”), and the rapper clapped back with a dis track of his own, “Rap Devil,” on Sept. 3. “im standing up for age, as measured by Next Big Sound. by Next age, as measured not just myself, but my generation,” MGK tweeted to accompany the song’s release. “im doing the same shit you did back in ur day. life is still real on my side, and i had to take time from the grind to defend myself from someone i called an idol. love, Rap Devil.” For his part, Eminem re-enters the Social 50 at No. 5, his highest ranking since he reached No. 3 in October 2017. The attention swirling around Kamikaze — including criticism of its lyrical content in addition to excitement from fans — landed the rapper 438,000 Twitter mentions (up 4,477 percent) and 255,000 new YouTube subscribers, the latter thanks to the music video release for “Fall” and nd Instagram; reactions and conversations across Twitter, YouTube, Instagram and Facebook; and views to an artist’s Wikipedia p Wikipedia to an artist’s and views and Facebook; Instagram YouTube, Twitter, across and conversations reactions nd Instagram; audio-only posts for others. ts Legend on billboard.com/biz for complete rules and explanations. All charts © 2018, Prometheus Global Media, LLC and Nielsen Music, All charts Inc. for complete rules and explanations. Global Media, LLC All rights reserved. on billboard.com/biz © 2018, Prometheus ts Legend And don’t count the beef between MGK and Eminem over just yet, either: The latter teased a potential Social/Streaming response on Instagram Live over the Sept. 8-9 weekend. —Kevin Rutherford 2018 weekly additions of fans across Facebook, Twitter, YouTube a YouTube Twitter, Facebook, weekly additions of fans across September 15 15 September The week’s most active artists most active on social networking sites based The week’s top streamed radio songs and on-demand videos on leading online music services radio top streamed as compiled by Nielsen Music. See Char SOCIAL 50: SOCIAL DATA SOCIAL DATA BY COMPILED BY COMPILED DATA STREAMING Data for week of 09.15.2018 Go to BILLBOARD.COM/BIZ for complete chart data 67.