Sophia Grace is expecting baby No. 2! The YouTuber announces her good news in an emotional vlog, sharing her excitement over her son, 1-year-old River, becoming a big brother. Sophia was a kid herself when she went viral in 2011 with her cover of Nicki Minaj’s ‘Superbass’ and subsequent appearances on ‘The Ellen DeGeneres Show,’ alongside her cousin, Rosie McClelland.