Kelly, the 37-year-old daughter of Black Sabbath singer Ozzy Osbourne, and media personality, Sharon Osbourne could not wait to share the good news via social media.
Excitedly posting a scan of the baby, she captioned the picture by saying:" I know that I have been very quiet these past few months so I thought I would share with you all as to why… I am over the moon to announce that I am going to be a Mumma. To say that I am happy does not quite cut it. I am ecstatic!"
The father of the baby is 45-year-old Slipknot star Sid Wilson, the couple announced that they were in a relationship in January this year.
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Grandma to be Sharon Osbourne said of the news on Instagram: "My [heart] could not be more full. So excited to share the beautiful journey ahead with you @kellyosbourne."