Bleta "Bebe" Rexha, is an American singer, songwriter and record producer, and is best known as a featured guest vocalist on several "Billboard" Hot 100 charting songs, such as "Hey Mama" is a song by French DJ and which record producer? 
Hey Mama (David Guetta song): "Hey Mama" is a song by French DJ and record producer David Guetta, featuring vocals from Nicki Minaj and Bebe Rexha, as well as production from Dutch DJ and producer Afrojack.
i don't know