Leah Kate Biography: Height, Ethnicity, Age, Net Worth, Siblings, Parents, Boyfriend, EPs, Albums

Leah Kate Kalmenson is an American singer whose blend of punk-pop energy and candid lyricism first grabbed attention in 2020 when her breakup anthem “Fuck Up the Friendship” began circulating widely on TikTok and Spotify.

In March 2022, she further broke through with “10 Things I Hate About You,” which climbed into the top 30 in both Australia and the U.K.

Since then, Kate has released multiple extended plays, toured internationally supporting acts like Madison Beer, and, in September 2023, unveiled her debut album, Super Over.

Profile

• Full name: Leah Kate Kalmenson
• Date of birth: September 9, 1992
• Age: 32 years old
• Gender: Female
• Place of birth: Los Angeles County, California, U.S.
• State of origin: California
• Nationality: American
• Profession: Singer
• Height: 5 ft 7 in (170 cm)
• Weight: 123 lbs (56 kg)
• Parents: Born to a Jewish family
• Siblings: N/A
• Spouse: N/A
• Children: N/A
• Relationship status: Single
• Religion: Jewish
• Ethnicity: Ashkenazi Jewish
• Net worth: $1.5 million

Early Life and Education

Leah Kate Kalmenson is now 32 and was born on September 9, 1992, in Los Angeles, California, to a Jewish family whose business interests included ownership of a radio station in the region.

Growing up in Los Angeles, she was immersed in music from a young age—her brother played instruments and produced, and her aunts were singer-songwriters, providing a creative backdrop for her childhood.

While details of her formal schooling are not publicly documented, Kate did spend a period living in New York City to focus on her musical pursuits.

Personal Life

Leah Kate maintains a private personal life and resides in Los Angeles. She stands at 5 ft 7 in (170 cm) tall and weighs around 123 lbs (56 kg), with distinctive green eyes and brown hair. As of 2025, she is single and has not married or had children.

Career

In 2018, Kate began sharing song covers on her self-titled YouTube channel, leading to her debut EP, Impulse (June 2019), which featured singles like “WTF?” and “So Good.”

June 2020 saw the independent release of “Fuck Up the Friendship,” which amassed over 33 million Spotify streams and widespread TikTok use.

She then released standalone tracks including “Grave,” “Boyfriend,” and “Boy Next Door,” followed by her second EP, What Just Happened? (October 2021).

Kate’s major-label breakthrough came with “10 Things I Hate About You” in March 2022, which charted internationally and led to support slots on Madison Beer’s European Life Support Tour and Chase Atlantic’s North American Cold Nights Tour.

Later in 2022, she released her third EP, Alive and Unwell, headlined her first international tour, and performed in Australia for the first time. On September 15, 2023, she released her debut album, Super Over, and in June 2024, dropped the single “What Girls Do.”

Net worth

Leah Kate’s net worth is estimated at approximately $1.5 million, accrued through music sales, streaming, touring, and merchandise sales.

Social Media

• Instagram: @leah
• Twitter (X): @LeahKateMusic
• TikTok: @leahkatemusic
• YouTube: LeahKateMusic

Discography

• Impulse (EP, June 28, 2019)
• What Just Happened? (EP, October 1, 2021)
• Alive and Unwell (EP, October 28, 2022)
• Super Over (Album, September 15, 2023)