After Lady Gaga & Ariana Grandes Rain On Me, Which Other Superstars Still Need to Team Up?
b'On the new Billboard Pop Shop Podcast, the team discusses why -- in an era of wall-to-wall music collaborations -- Lady Gaga and Ariana Grande\'s "Rain On Me" has broken through the pop culture noise as an event record. Plus, the Pop Shoppers pontificate on what superstars they\\u2019d like to see team-up for a fantasy pairing.\\n\\nLearn more about your ad choices. Visit megaphone.fm/adchoices'