was among the first celebrities to congratulate after she revealed .
The Toxic singer announced on Instagram that she and her partner Sam Asghari are set to welcome their first child together after becoming engaged in September.
‘I lost so much weight to go on my Maui trip only to gain it back,’ Britney, 40, wrote as she shared the joyous news, months after being freed from her conservatorship.
‘I thought ‘Geez … what happened to my stomach ???’ My husband said “No you’re food pregnant silly!”
‘So I got a pregnancy test … and uhhhhh well … I am having a baby… 4 days later I got a little more food pregnant. It’s growing.’
Paris led the celebrity well-wishes, writing: ‘Congratulations sis!! ? I’m so excited for you!!? Love you!!!?’
Real Housewives presenter Andy Cohen added a comment in emojis: ‘?????❤️❤️❤️❤️❤️.’
Britney previously shared her desires for a family with Iranian-born fitness model, Sam, 28.
Marking his birthday in March, she wrote: ‘Happy Birthday to my Fiancé… I love you so much… I want a family with you… I want it all with you!!!!’
The couple first met on the set of a music video in 2016. Britney recently praised her other half for his support during her ‘hardest years’.
The pop superstar, who has struggled with mental health issues due to being hounded by the paparazzi, said that she ‘won’t be going out much’ following her pregnancy announcement.
Britney already has two children, Sean and Jayden, whom she shares with her ex-husband Kevin Federline.
Her conservatorship was removed in November allowing her to for the first time since 2008.
