I redid the graph, and her sales are actually higher than I thought. I figured in all of her RIAA certifications, Spotify streams from non-certified songs, and estimated YouTube views from June 2015 (when the songs were last certified) until now. As you can see, the new streaming rule doesn't have much of an impact on her sales. This isn't taking into account the hundreds of millions of streams of her certified songs since they were last certified. It's too hard to estimate what those would be, so I left them out.
NEW CERTIFICATIONS:
Unapologetic - Platinum to 2x Platinum
Talk That Talk - Platinum to 2x Platinum
Loud - Platinum to 4x Platinum
Rated R - Platinum to 2x Platinum
Good Girl Gone Bad - 2x Platinum to 5x Platinum
A Girl Like Me - Platinum to 2x Platinum
Music Of The Sun - Gold
(Unchanged)
The only album unaffected is Music Of The Sun, which is so close to platinum.