They call me Nana. I'm trying to get them to call me Lovey ... I am fully aware of how much I've experienced white privilege, and now I have these two Black sons who tell me how it really is." ...

The 'Chandelier' hitmaker adopted two sons earlier this year and now she is a grandmother as one of them just welcomed two kids ... No, I'm cool. They call me 'Nana.' I'm trying to get them ...

They call me ... now I have these two Black sons who tell me how it really is." Looking back at her transition to motherhood in the past year, Sia said she's "grateful" to have a successful career ...