“Bad Romance“ by Lady Gaga is the best selling FEMALE song on US iTunes ever and “Baby” by Justin Bieber is the best selling MALE song on US iTunes ever. They sold more than 8,5M copies each only on iTunes USA 🇺🇸

Congratulations, Legends ❤️ pic.twitter.com/d5S35QqBvh

— Lady Gaga Charts (@charts_lady) February 18, 2018