Hidden behind her father Ozzy's trademark round sunglasses, Kelly Osbourne fought to keep her composure as she held up her grieving mother.
With her arms around her for support, Kelly watched as a heartbroken Sharon crouched down to place a single rose on a mound of floral tributes in front of thousands of fans who had lined the streets of Birmingham to pay their respects to the Prince of Darkness on Wednesday.
Clearly overwhelmed by the crowds, Kelly took a moment as she hugged her brother Jack at the Black Sabbath Bridge site which fast became a memorial for the beloved heavy metal icon after his death, aged 76, last week.
It was a particularly poignant moment for Kelly, 40, whose stoicism was a nod to her late father and the touching promise she had made him.
'The last few days have been a tough ride, but Kelly has been focused on executing plans with her mum,' an insider told the Daily Mail.
'Of course there have been tears, but she promised her dad - who openly spoke about not wanting people to mourn but rather celebrate his life - that she would not crumble in public.'
The Black Sabbath legend 'always pushed them to "celebrate what people have done in life, not f*ing worry about what's next"' and his daughter has embraced his ethos.
However, while Kelly has been trying her best to do exactly what her rocker father would have wanted, she is worried about her mother.
Those close to the family are said to be extremely 'concerned about the impact this is having on Sharon,' adding that 'she and Ozzy were such a unique couple [and] them being apart it is heartbreaking'.
Insiders previously disclosed to the Daily Mail the growing concerns for Sharon, 72, who has dealt with her own health issues over the years, including a colon cancer diagnosis in 2002 that led to surgery and chemotherapy.
The music manager, who has been vocal about her life-long struggle with body image issues, also recently revealed she has struggled to gain weight after stopping popular weight-loss drug Ozempic.
Sharon and Ozzy had a tumultuous, high-profile relationship that was well-documented by the media and their reality TV show, The Osbournes.
The couple first met in 1970 when Sharon - the daughter of Ozzy's then manager -was only 18. At the time, he was married to his first wife Thelma, with whom he had two children, Louis and Jessica.
After Ozzy left Black Sabbath, Sharon took over as his manager, and their epic love story began, with a wedding in Hawaii on July 4, 1982. They weathered countless affair allegations - one of which pushed Sharon to overdose - and celebrated their 43rd wedding anniversary on July 4, one day before Ozzy's farewell concert, Back to the Beginning.
'Of course there have been tears, but she promised her dad - who openly spoke about not wanting people to mourn but rather celebrate his life - that she would not crumble in public'
'Ozzy was her biggest champion in her career and in love,' the insider told Daily Mail, adding while he might be remembered as a 'tough rock star', he was really an emotional teddy bear
But 'Kelly will now be there for Sharon,' because of the 'very unique bond' she shared with her father.
The Mama I'm Coming Home singer previously told Rolling Stone they were 'like two peas in a pod' and gushed about their unbreakable bond, admitting: 'If I've got a favorite kid, it's Kelly' while joking that his other children knew how he felt.
One of Ozzy's biggest dreams was that Kelly would find love like her brother Jack, who married his second wife Aree Gearhart 14 months after welcoming their daughter Maple.
Jack, 39, is also a father to daughters Pearl, 11, Andy, seven, and Minnie five from his first marriage to Lisa Stelly.
'Ozzy was Kelly's biggest champion in her career and in love,' the insider said, adding while he might be remembered as a 'tough rock star', he was really an emotional teddy bear when it came to the kids.'
'One of his hopes was always that Kelly would find the right partner and fulfil her dream to start a family,' they said.
'For years she had been the doting auntie to Jack's babies and as aunt and granddad they had enjoyed that experience together.'
Kelly's partner Sid Wilson, 48, a member of the band Slipknot, proposed at the end of her father's final gig as a fitting farewell. They first met when Kelly was 13 and Sid was 20 during Ozzfest, the heavy metal festival founded by her parents.
The loved up couple confirmed their relationship in early 2022, after knowing each other for more than two decades. Just months later, they announced they were expecting their first child. Their son, Sidney, arrived in November 2022.
'When Sid got together with Kelly and they had their son, there was huge joy for Oz,' the insider continued, adding that during his toughest days of feeling unwell and in pain, spending time with his grandson and Kelly helped keep his spirits up and 'bolstered the bond' with his beloved daughter.
'He used to sing to Sidney and play silly games,' they said. 'This was a huge comfort for Kelly, who saw her dad's physical state declining.'
Now all eyes will be on Kelly's son, who Ozzy proudly declared 'could become the one to follow him into music'.