Because Nelly is a woman and a feminist? Because feminism matters. And it was International Women's Day? Feminism was barely mentioned in the 30 minutes.
She said she was on a very strict diet during her more famous days and she wanted to LET GO when she dissapeared from the spotlight. But from what i hear she's already lost weight again. That's the great thing about "weight" It's not permanent. You can gain or lose it whenever you want.