Kira Kosarin

Kira Kosarin is an American actress, singer, and producer best known for playing Phoebe Thunderman on Nickelodeon's The Thundermans. The show ran for four seasons from 2013 to 2018, making her a household name among a generation of young viewers. Since then, she has expanded into music, releasing her debut album Off Brand in 2019 and signing with Republic Records in 2022. In 2024, she returned to the role in the Paramount+ film The Thundermans Return and joined the cast of Netflix's That '90s Show as Betsy Kelso. She also executive produces and stars in the spin-off series The Thundermans: Undercover, which premiered in 2025. Kosarin's fans appreciate her comedic timing, her musical versatility, and the way she has grown alongside her audience from child star to independent artist. [edit]

Kira Kosarin was born in Morristown, New Jersey, but grew up in Boca Raton, Florida. Her parents were Broadway performers, so she was surrounded by theater and music from a young age. She attended Pine Crest School in Fort Lauderdale, a private college-preparatory school known for its strong arts program. In 2011, when she was just 13 or 14, her family moved to Los Angeles so she could pursue acting full-time. She began auditioning for TV roles and quickly landed guest spots. Her big break came in 2013 when she was cast as the lead in Nickelodeon's The Thundermans, a superhero comedy about a family with superpowers. The show became a hit and ran for 98 episodes. [edit]

The Thundermans premiered in October 2013 and quickly became one of Nickelodeon's top-rated live-action shows. Kosarin played Phoebe Thunderman, a teenage superhero with telekinesis and super strength. The show ended in 2018 after four seasons. During the show's run, she also appeared in the Nickelodeon TV movie One Crazy Cruise (2015) and the Ho Ho Holiday Special (2015). After the show ended, Kosarin focused on music. She independently released her debut album Off Brand on April 10, 2019, a pop-rock record that showcased her songwriting. In 2022, she signed with Republic Records. She returned to the character of Phoebe in the 2024 Paramount+ film The Thundermans Return, which reunited the original cast. That same year, she joined the cast of Netflix's That '90s Show as Betsy Kelso, a recurring role. In 2025, she began starring in and executive producing the spin-off series The Thundermans: Undercover on Nickelodeon and Paramount+. [edit]

Kira Kosarin is widely recognized for her role as Phoebe Thunderman, a character that defined her as a teen star. In public, she projects a bright, energetic, and relatable persona. She is active on Instagram and TikTok, where she shares snippets of her music, behind-the-scenes moments from set, and glimpses of her personal life. Her style is casual but polished, often featuring bold colors and playful accessories. Fans admire her for staying grounded despite her early fame and for successfully transitioning into music and producing. She does not have an official fandom name, but her audience is closely tied to Nickelodeon nostalgia and the Thundermans fanbase. [edit]

Kira Kosarin commands a digital presence defined by direct engagement rather than formalized organization. Her audience, numbering in the tens of millions across TikTok and Instagram, identifies primarily through shared nostalgia for her tenure as Phoebe Thunderman or as followers of her individual musical and podcasting ventures, without adopting a singular, official moniker for their collective identity. The cultural narrative surrounding her career is anchored in the authentic transition from child star to adult artist, a journey highlighted by public discussions regarding the challenges of filming during puberty and the recent viral resurgence of *The Thundermans* on streaming platforms. This renewed interest has cemented her status as a bridge between Nickelodeon's legacy programming and contemporary digital culture, supported by her work in *That '90s Show*, *The Thundermans: Undercover*, and her music releases under Republic Records. While she maintains active community building through her podcast *In Case It Helps*, there are no documented records of organized fan-funded campaigns or specific rituals exclusive to her fanbase. iFANN has evaluated Kira Kosarin within its Global Fame Engine; however, she currently does not hold a placement in the published rankings, including the Global Top 1,000 or any Top-100 scope list.[edit]

Kira Kosarin's first name means "throne" in Persian, and she is the older sister of Miles. A trained dancer with backgrounds in ballet, tap, and jazz, she often incorporates movement into her creative output. She keeps a dog named Ollie and lists purple as her favorite color. Beyond her screen work, she is an advocate for mental health awareness, having spoken openly about her personal experiences with anxiety. Her YouTube channel serves as a hub for vlogs, music covers, and behind-the-scenes footage. A defining chapter in her modern lore involves the unique challenges of navigating puberty while filming *The Thundermans*; a widely retold story details how production had to accommodate her physical maturation in real-time, marking her transition from child star to adult actress. Furthermore, the series achieved a milestone of 240.8 million watched hours on streaming services, transforming it from a past children's show into a rediscovered "hidden gem" that reignited interest among a new generation. Her musical pivot was solidified in March 2022 when she signed with Republic Records and released her debut single, "Mood Ring," expanding her influence beyond acting.[edit]

Kira Kosarin was born to Danny Kosarin and a mother whose name has not been publicly disclosed. Both parents were Broadway performers, and her father Danny worked as a musician and composer. She has a younger brother named Miles. The family moved from New Jersey to Florida when she was young. She and her husband, Max Chester, live in Los Angeles with their dog Ollie. Kosarin has said that her parents' support was crucial to her early career, and she remains close to them. [edit]

Kira Kosarin began dating Max Chester in 2020. Chester is a musician and producer who has collaborated with her on music. They got engaged in Greece in July 2023 and were married in July 2024. The wedding was a private ceremony attended by close family and friends. As of 2026, the couple remains married and lives in Los Angeles. No other public relationships have been confirmed. [edit]

Per iFANN's editorial analysis, Kira Kosarin's net worth is estimated at $10 Million as of 2026. Her financial standing derives primarily from her acting salary earned during the four-season run of *The Thundermans* and subsequent returns in *The Thundermans Return* and *The Thundermans: Undercover*. These roles likely commanded increased compensation given her established status and expanded responsibilities as an executive producer. Additional revenue streams include her music career, specifically the album *Off Brand* and singles like "Mood Ring," which generate income through streaming and sales. Brand partnerships on social media and various appearances further contribute to her earnings. While Kosarin has not publicly disclosed specific real estate holdings or major investment portfolios, her net worth has demonstrated steady growth since her early days with Nickelodeon.[edit]