Sienna Fizz is a child YouTuber from England. She is best recognized as the youngest daughter of YouTubers Darren and Georgie. She has a self-titled YouTube channel on which she shares kid-related videos. She is also one half of the channel ‘Fizz Sisters’, the other half being her elder sister Mia. Besides these, she also gets featured on her family vlogging channel ‘Family Fizz’. Possessing a deep love for the camera, Sienna is featured in videos of skits, challenges, fun experiments, games, vlogs, and more. Irrespective of whether she is creating a solo video or is getting featured in a collaborative one, her charming presence makes the video cute and entertaining. Talking about the little YouTuber’s social media popularity, every channel of hers is doing great. Till date, her solo channel has amassed over 109k subscribers and her collaborative channel has accumulated more than 172k subscribers. In addition to these, her family channel is soon to hit a million subscribers! Sienna, who has a decent fan following on Instagram as well, is very talented girl. Her charm and cuteness can melt any heart in no time!