5 years ago today, Lady Gaga and Ariana Grande released “Rain On Me.” It was the first all-female collaboration to debut at No. 1 on the Hot 100, won the Grammy for Best Pop Duo/Group Performance, has accumulated over 1.1 billion streams, and is certified 2x Platinum in the US. #LadyGaga #RainOnMe #ArianaGrande #Chromatica #LittleMonsters