Madonna insists she's a good mother as she battles over custody of her son

Madonna has insisted it is possible to be an entertainer and a good mother amid her custody battle over son Rocco.

The superstar shared a throwback pic with her son and his siblings on Instagram today..She wrote alongside the snap:

"Its possible to be an entertainer and a good mother!!! Too bad we don't live in a society where many encourage strong independent single working moms! The next great Frontier! ️#revolutionoflove continues ️#rebelheart4ever."

Madonna is engaged in a bitter custody battle with her ex husband over their  son. The 15 year old walked out of her Rebel Heart Tour and went to stay with his father Guy Ritchie in London..After several unsuccessful efforts to have him return to the US,Madonna took the issue to court,claiming her ex, Guy Ritchie was preventing her son from staying with her .Rocco was then forced by the court to return to US and decide from there, if he wants to stay with his mother or dad..Apparently, he is still choosing his dad which breaks Madonna's heart ..

According to People, they fell out when she seized his phone on the grounds it was interfering with his home work.