Article continues below advertisementChristina Milian says parenting two different age groups is "certainly an adventure!" "I'm navigating the teenage years with Violet, which means encouraging her independence and personal expression, while with the younger ones, it's about nurturing curiosity and structure. Traveling together by train actually simplifies this, allowing each kid their own space and entertainment," the singer, 44, who has a daughter named Violet Madison Nash and two sons, Isaiah Pokora and Kenna Tota, exclusively tells OK! while talking about her partnership with Trainline.