Sam Asghari, she started to gain weight. She wrote, "So I got a pregnancy test ... and uhhhhh well ... I am having a baby."

“I lost so much weight to go on my Maui trip only to gain it back,” the pop star wrote in part Monday, accompanied by a photo of flowers and a cup of coffee.

Spears, 40, revealed a desire for more children less than a year ago, when she said she was unable to make her own birth control

This arrangement meant Spears had very limited control over her life and the decisions she could make including on her career, finances and health.

The singer was placed under her conservatorship in 2008 after suffering from mental health issues. In a bombshell testimony last June, she told a Los Angeles Superior

but she was forced to keep an IUD in place, in accordance with her conservatorship. Court judge that she wanted to have another baby,