Britney Spears announces she is pregnant with third child

Britney Spears shared the pregnancy news in a post on Instagram. Credit: AP

Britney Spears has announced she is pregnant with her third child in a post on Instagram.

The singer, who recently managed to end a controversial conservatorship managed by her father, said in an instagram post she took a test after partner Sam Asghari teased her about being “food pregnant”.

“So I got a pregnancy test … and uhhhhh well … I am having a baby,” she wrote. “4 days later I got a little more food pregnant."

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In her post, she also mentioned her experience of perinatal depression in her previous pregnancies and called the experience "absolutely horrible."

She praised the fact women are more able to speak about it now saying "thank Jesus we don’t have to keep that pain a reserved proper secret."

Spears, 40, has two children, Sean and Jayden, from her previous marriage to Kevin Federline.

Britney Spears supporters march outside a hearing over Spears' conservatorship in Los Angeles. Credit: AP

The pop superstar, who has been hounded by the paparazzi, said she “won’t be going out much” following her announcement.

The pregnancy news came after a 13-year conservatorship which had controlled Spears’ life was terminated by Los Angeles Superior Court in November. She was placed under the complex legal arrangement in 2008 amid substance abuse and mental health issues, but said it had prevented her having more children.