Pregnant Mariah Carey - who is expecting twins with her husband Nick Cannon - tweeted to say she thought her labour had begun on Sunday - on her birthday!
'I started having contractions last night... went 2 the hospital. Finally they said I could come home after they got it under control.'
Mariah had been celebrating her 41st birthday when she thought things were starting to happen, even though her twins are not due for another few weeks.
The star suffered a miscarriage two years ago, and did not share the news of this pregnancy until she was five months along.
A friend of the the couple revealed in February they are expecting a boy and a girl.
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