United Kingdom, Aug. 2 -- Influencer Sophia Grace Brownlee is expecting a girl - her third child at the age of 23.

The star - who shot to fame in 2011 after she and her cousin, Rosie McClelland, sang 43-year-old rapper Nicki Minaj's Super Bass on The Ellen DeGeneres Show aged eight and five, respectively - shared her unborn baby's sex in a cute gender reveal video posted on Instagram on July 31.

In the black-and-white clip, filmed outdoors, Sophia carried her daughter Athena, 18 months, while her son River, three, was handed a bunch of blue or pink flowers.

As the tot gave them to his mom - who has never publicly identified the dad of her children - the video switched to colour, and she exclaimed: "It's a girl! Again!"

At the end of t...