The Rae Sremmurd song soundtracks many of the viral Mannequin Challenge videos, and ousts The Chainsmokers and Halsey's 'Closer' from No. 1 on the Hot 100.
The 'Anti' singer made a surprise trip to the desert to perform her Kanye West and Paul McCartney collaboration, 'FourFiveSeconds', with the Beatles legend.
Only a month into 2015 and Rihanna's already got one of the hottest songs of the year! Earlier today (Feb. 3), the singer released the video for her 'FourFiveSeconds.'