Britney Spears is pregnant, the 40-year-old pop star announced on Instagram Monday.

Spears wrote in her post that shortly after a trip to Maui with her fiancé, Sam Asghari, she started to gain weight. She wrote, “So I got a pregnancy test … and uhhhhh well … I am having a baby.”

Britney Spears announces she’s pregnant

Britney Spears confuses some with Instagram pregnancy news

Britney Spears announces pregnancy on Instagram

Britney Spears confuses some with Instagram pregnancy news

Sam Asghari confirms Britney Spears’ pregnancy after shocking announcement