"Up" is a song by American rapper Cardi B. It was released on February 5, 2021, through Atlantic Records as the second single from her upcoming second studio album. "Up" is a pop-rap and hip-hop song, co-written by Cardi B and written by Joshua Baker and Jordan Thorpe and produced by Yung Dza, DJ SwanQo, Sean Island and DJ Prince. "Up" reached number one on the US Billboard Hot 100, making Cardi B... Wikipedia