"Baby" is 12x Platinum tho. Mess @ RIAA not even knowing their own top song.
And mess @ The Hills being the top song, when Uptown Funk! can be Diamond it's just the label hasn't decided to update it's certification. Trap Queen can also be 9x Platinum, but is only at 1x Platinum currently.
Katy Perry has at least 3 songs with more sales and streaming than Bad Romance, same with The Hills we can name at least 3 songs with more sales and streaming in 2015.