Halsey penned: “Bless Britney and I hope with my whole heart she is awarded freedom from this abusive system. She deserves it more than anything.
“I admire her courage for speaking up for herself today.
She added: “Additionally, f**k anyone who thinks they have the authority as an institution or individual to control a person’s reproductive health. #FreeBritney.”
The pop star gave a very raw and moving speech about how the conservatorship, which has controlled her money and affairs since 2008, was destroying her life.