Kelly Osbourne has secretly welcomed her first child.
The 38-year-old former singer and presenter has become a mom for the first time with partner Sid Wilson of Slipknot. However, it wasn't the new parents that let the news slip, but proud grandmother Sharon Osbourne.
During the new grandma's appearance on UK chat show The Talk on Tuesday (January 3), Sharon spoke about Kelly's venture into motherhood, saying: "So great, so great. She won't let a picture go out of him, and I'm so proud of her."
The doting grandma also revealed the name of Kelly and Sid's little boy; Sidney!
One detail that Sharon did not reveal what Sidney's birthday - but fans have speculated that the baby boy was born back in November, after Kelly posted a cryptic message to her Instagram Stories.
"OK, here we go," she wrote on a black background to her 2.5 million followers.
New mom Kelly initially announced that she was pregnant back in May, sharing ultrasound scan photos with her Instagram followers. She captioned the heartwarming post: "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!"
And during an appearance on Jada Pinkett Smith's Facebook show Red Table Talk back in September, Osbourne opened up about her decision to not breastfeed.
"I have chosen to stay on my medication instead of breastfeeding and the judgment that I have received from my friends and also extended family is wild," she shared with Pinkett Smith and co-host Adrienne Banfield Norris.
Watch Osbourne's Red Table Talk episode below:The former Fashion Police star spoke about the reactions people around her have had towards her decision, including the possibility of missing out on a bonding experience with her child.
"I’m like, 'Don’t you think I know that?'" Osbourne said. "What kind of mother am I gonna be if I start going backward, if I start being self-destructive?"
"It’s something for me that I’m learning that I can’t pay attention to the milieu," she added. "It has to be what’s best for me, what’s gonna be the best for my baby. If I don’t do that, what kind of mother am I going to be?"
Additionally, she also commented how she had felt "really hormonal" throughout her pregnancy, describing carrying her child as "one of the roughest, most weirdest, [and] wildest" experiences of her life.
Elsewhere in the interview, Osborne gushed as she spoke about the support she had received from her famous parents, revealing: "I feel very blessed. My parents have been so incredible, I feel forever indebted to them."
Congratulations to Kelly and the entire family!