Nicole died along with her unborn son Reign on Saturday morning.
The social media star, who had 160,000 followers on Instagram, posted a video talking about "the worst thing about pregnancy".
In the clip, she told her followers: "I'm more emotional. Literally I could be fine one minute and then the next second I'm crying. I'm having a good pregnancy, but emotions are just too much. I'm so out of breath 27/4. I would walk from here to the end of the room and feel like I'm dying
"I feel like the baby's eating me."
Nicole's heartbroken mum revealed the tragedy yesterday, saying "our hearts are truly broken".
She wrote: "To all Nicole's friends and supporters it is with great sadness that I have to inform you that Nicole and her son she and [partner] Boga named Reign sadly passed away on Saturday morning.
"Nicole [had] presheduled a few YouTube videos and Boga has made the decision to allow them to be aired.
"As a family we ask that you give us privacy because our hearts are truly broken and we are struggling to cope with what has happened.
"Thank you, her mum.
"RIP My beautiful baby girl Nicnac and my grandson Reign, I will miss you for the rest of my life until we meet again in eternal heaven. Xxx."
The London-based businesswoman, influencer and dancer was expecting a boy that she and boyfriend Jeffery Frimpong, the 20-year-old street dancer Global Boga, had already named Reign.
