Katie Donnelly

Katie Donnelly is an American YouTube personality, gymnast, and social media influencer. Known for her athletic prowess and family-friendly vlogs, she has built a substantial following across multiple platforms. Her main channel, ItsKatieDonnelly, features personal vlogs, challenges, and glimpses into her daily life, while her family channel, It's The Donnellys, has amassed over 1.1 million subscribers. With a background in competitive gymnastics and cheerleading, Katie brings an energetic and relatable presence to her content.

As of 2026, Katie has expanded her digital footprint to Instagram with 922K followers and TikTok under the handle kdizzle, where she has earned over 503K followers and 40.8 million likes. Her recent vlogs document significant life transitions, including graduating from university and moving out of her childhood home. Fans appreciate her authenticity and the balance she strikes between her athletic achievements and everyday moments. [edit]

Katie Donnelly was born on June 25, 2004, in the United States. She began gymnastics at the age of six, showing early promise in the sport. By 2014, she started competing with 1st Class Gymnastics, where she honed her skills and quickly rose through the ranks. In 2015, at just 11 years old, she launched her original YouTube channel, Flippin' Katie, in May. The channel quickly gained traction, accumulating over 100,000 subscribers within just three months.

Her gymnastics career reached a peak in 2016 when she became a Level 7 State Champion in all-around, bars, beam, and floor. This success opened doors for her, and she later transitioned to cheerleading, joining the Coral Girls collective, also known as Gymscool. Alongside gymnastics and cheerleading, Katie was also a swimmer and a self-described coral girl, showcasing her versatility in athletics. [edit]

Katie's breakthrough came with her viral video "The Great Watermelon Challenge(s)" on her Flippin' Katie channel. The video gained over 2 million views in just one month and surpassed 13.2 million views by early 2016, cementing her status as a rising YouTube star. Following this success, she began appearing on her family's channel, It's The Donnellys, which has grown to over 1.1 million subscribers.

As her online presence evolved, Katie expanded to other platforms. She launched her personal YouTube channel, ItsKatieDonnelly, where she posts vlogs about her daily life, including her college experience and moving out of her childhood home. On Instagram, she shares lifestyle content and updates with her 922K followers, while her TikTok account, kdizzle, has garnered over 40.8 million likes. Her recent content has focused on adult milestones, such as graduating from university and her brother working for the government, resonating with a growing audience. [edit]

Katie Donnelly's public image is built around her athletic background and family-oriented content. She is seen as an energetic and relatable figure, often sharing challenges and vlogs that highlight her gymnastics and cheerleading skills. Her content style is engaging and positive, appealing to a young audience. On social media, she maintains a friendly and approachable tone, with a strong presence on Instagram and TikTok. Fans connect with her due to her authenticity and the way she balances her athletic pursuits with everyday life. Her move to college and subsequent graduation have been well-received, showing her growth as an individual. [edit]

Katie Donnelly has cultivated a deeply engaged following that orbits the broader ecosystem of family vlogging rather than forming a distinct, monolithic tribe with its own official name. Fans of the "It's The Donnellys" universe are known for their active participation in community spaces like r/YTVloggerFamilies, where they dissect family dynamics and speculate on future projects like the couple's van life plans. This audience connects most strongly with Katie's documented transition from a competitive gymnast to a college graduate, treating milestones such as her graduation video titled "i graduted college!" as shared cultural touchstones within the group. While there are no recorded large-scale fan-funded campaigns or specific rituals unique solely to her individual brand, the organic support she receives through Instagram and TikTok interactions remains a consistent feature of her digital presence.

Regarding her standing in the global hierarchy of fame, iFANN has not yet collected sufficient data to generate a ranking for Katie Donnelly. As of August 2026, the system marks her status as NOT_EVALUATED, meaning no ordinal position exists in the current database to link or cite. Without a formalized rank, we cannot place her against other public figures in terms of worldwide recognition metrics at this time.[edit]

Katie's playful nickname "kdizzle" on TikTok adds a distinct flair to her online persona, distinguishing her personal brand from her family content. She is a key member of the Coral Girls collective alongside fellow gymnast Arden Martino, a group that highlights her roots in the sport. Her younger brother Ryan and older brother Brennan frequently appear in the family vlogs, contributing to the dynamic household atmosphere fans enjoy. A notable moment in her history involved a Trump flag visible in her room during the family's residence in Maryland, an image that sparked lively discussion among viewers regarding their political environment. Additionally, she is a level nine gymnast who has also competed in swimming, showcasing her diverse athletic background.

Fans often celebrate her documented milestones as legendary moments in their own right, particularly her college graduation video titled "i graduted college!" which marked a major transition in her life story. This event stands as a verified biographical highlight that resonated deeply with her audience, cementing her journey from athlete to adult creator in the public eye. Another widely retold story involves the announcement that Katie and Baylen Levine plan to purchase a van, renovate it, and travel living out of it, becoming a focal point of fan speculation regarding their future adventures.[edit]

Katie's family is central to her content. Her parents are Jill and Mike, and she has two brothers: Brennan, who is older, and Ryan, who is younger. The family's YouTube channel, It's The Donnellys, features all of them, giving fans a glimpse into their dynamics. As of 2026, Katie has moved out of her childhood home, a milestone she documented in her vlogs. Her family remains supportive of her online career, and they often feature in her content. [edit]

Katie is associated with fellow gymnast Arden Martino through The Coral Girls collective, also known as Gymscool. She is also in a relationship with YouTuber Baylen Levine, who appears in some of her content. [edit]

Katie has had a few public relationships. Her previous boyfriend, Caden, appeared on her family's YouTube channel, though the timeline of their relationship is not well-documented. More recently, she has been in a relationship with fellow YouTuber Baylen Levine. The couple has been together for some time, and they occasionally feature in each other's content. As of 2026, Katie is reportedly dating Baylen Levine, and they appear to be happy together. [edit]

iFANN currently estimates Katie Donnelly's net worth at $1 million as of 2026. Her income primarily comes from YouTube ad revenue, sponsored content, and brand partnerships across her multiple platforms. With over 1.1 million subscribers on her family channel and a growing personal channel, she earns a steady income from views and engagement. Her Instagram following of 922K and TikTok presence also contribute to her earnings through sponsored posts and affiliate marketing. As she continues to expand her online presence, her net worth is expected to grow.[edit]