What did Allen call Nie Huan privately?

Allen privately called baby Nie Huanhuan. Allen and Nie Huan once filmed the TV series "Tian Tongdi Renjie" together. Allen's wife is called Nie Huan. Nie Huan was born in 199 1 and Allen was born in 1989. The difference between the two is 3 years. They got married at the end of 20 17 and gave birth to a son at the beginning of 20 18. These two people have been classmates for many years. At present, Nie Huan takes her children at home and quits the entertainment circle.