LOS ANGELES -- Cardi B has filed for divorce from Migos’ rapper Offset, claiming her marriage was “irretrievably broken.”The Grammy-winning rapper filed the divorce documents Tuesday in Atlanta, according to a Fulton County Courthouse filing. She said there are “no prospects for a reconciliation” for marriage with Offset.Cardi B, using her birth name Belcalis Marlenis Almanzar, is seeking primary physical and legal custody of their 2-year-old daughter, Kulture.