Katie Donnelly is an American YouTuber who is famous for being a part of ‘It's The Donnellys’, a family vlogging channel known for its fun and entertaining vlogs. She also has a solo channel on the platform where she posts beauty and lifestyle content. Donnelly is enormously popular on TikTok as well, with over 2.4 million followers on her katie8228 account. A swimmer and level nine gymnast, she is a multitalented girl in every way. She is an avid camera lover and loves shooting different types of vlogs. While she enjoys vlogging alone, she finds it more fulfilling to vlog with her family. Her presence in the family videos adds a unique charm to them. Talking about her personality, the young YouTuber is completely down to earth. She is charming and has great taste in fashion. She has two brothers and loves to spend quality time with them whenever her hectic schedule permits.