Daniell Tannerites is one of seven children featured on the popular family vlog channel Tannerites, alongside her parents Sarah and Johnny. The family's YouTube channel, which was created in July 2015, has garnered more than 7 million subscribers. Daniell also runs her own YouTube channel called Nelly Knows, where she posts a variety of content including makeup tutorials, hauls, challenges, and Q&A videos. The Tannerites family gained additional recognition by entering CVX Live's Next Big YouTuber Contest in 2016. In addition to her online presence, Daniell enjoys playing basketball and started being homeschooled in the fifth grade after experiencing trouble in her classes.