Big Sean and Jhene Aiko are having a baby boy. The loved-up couple – who have been dating on and off since 2016 – revealed the news during a joint performance at the Greek Theatre in Los Angeles. During a performance of the song ‘Moments’, Sean rubbed his partner’s growing baby bump and then said: “L.A. make some noise.” Then, the couple both yelled: “Baby Boy!” The announcement prompted cheers from the crowd and the duo then continued with their performance of the song. Big Sean – who previously dated pop star Ariana Grande – and Jhene first revealed their pregnancy news in July. The ‘Blessin…