AleXa

Alexaundra Christine Schneiderman (born December 9, 1996), known professionally as Kim Seri (Korean: 김세리), formerly AleXa (알렉사) and Alex Christine (알렉스 크리스틴), is an American singer based in South Korea. She debuted as a K-pop singer in October 2019. In 2022, she represented her home state Oklahoma in NBC's American Song Contest with the song "Wonderland" where she won with 710 points.
Seri was born as Alexaundra Christine Schneiderman on December 9, 1996, in Tulsa, Oklahoma, to a Russian American father and a South Korean mother. Seri's mother was adopted at age five by her adoptive American parents from an orphanage in Goyang, Gyeonggi Province, where she last saw her brother. Seri has one sibling, a younger brother.
As a child, Seri took dancing lessons for various genres, including ballet, jazz, hip hop, and tap. She began to dance when she was eighteen months old and continued into mid-high school. She attended Jenks High School where she was a member of the show choirs Jenks Varsity Pom and the Jenks Trojanaires, which competed nationally. She attended Tulsa Community College, where she participated in theatre. Seri was an avid K-pop fan and created both an Instagram and Snapchat account dedicated to covering K-pop songs and choreography while in school.
In 2016, under the name Alex Christine, she participated in the Rising Legends online audition run by Soompi. The competition was organized in partnership with JYP Entertainment. In 2017, she competed on Rising Legends again when Soompi partnered with Cube Entertainment. Despite placing #1 in the dance category the first time and the overall winner the second, she did not make it into either of the companies' trainee programs and instead signed with ZB Label as their first (and as of 2022, only) in-house artist. In 2018, Seri competed on Produce 48 and was eliminated in the first round at #82.
In 2019, under the name AleXa, she released her debut single album titled "Bomb" on October 19. She collaborated with rock band Diablo to release a rock version of the song on December 13.
In 2020, she announced her first mini-album with the release of the trailer "A.I Trooper" on February 24. The music video "Do or Die" was released on March 6. The mini-album, also titled Do or Die, was released on April 1. Seri collaborated with girl group Dreamcatcher and boy group IN2IT to release the single "Be The Future" for the Millenasia Project on May 6. The project, supported by UNESCO's Global Education Coalition, was released to bring attention to the importance of education and safety during the COVID-19 pandemic. On July 16, Seri released the music video for "Villain" (빌런) from her upcoming second mini-album titled Decoherence. She released the mini-album alongside the music video for "Revolution" on October 21.
In 2021, Seri released her digital single "Never Let You Go" (오랜만이야) on January 14. She collaborated with rock band Onewe to release an acoustic version of the song on February 8. On April 12, Seri released the OST "I Miss You Every Day" for the TV Chosun drama Somehow Family.
On May 18, Spotify announced its third RADAR collaboration in the MENA region, bringing together Seri and Bader AlShuaibi, a Kuwaiti-Saudi pop singer. The song "Is It On" was released on May 21. Seri released her second single album ReviveR and its lead track "Xtra" on July 1. She collaborated with all-female rock band Rolling Quartz to release the rock version of the song on August 25.
In 2022, Seri released her third single album Tattoo on January 6. In May 2022, Seri competed in the American Song Contest, representing Oklahoma with the song "Wonderland", and won.
On August 3, she announced her US tour, touring eight different cities in October.
On October 20, ZB Label announced that Seri would have a comeback on November 11. On October 22, the first concept trailer for their first mini-album, Girls Gone Vogue, was released. On October 31, ZB Label's album promotion for the upcoming album Girls Gone Vogue was postponed due to the Seoul Halloween crowd crush.
In April 2023, Seri signed with Eshy Gazit's label Intertwine for her U.S. promotion.
On June 1, 2023, ZB Label announced that Seri would be making a comeback with the digital single "Juliet", which was released on June 9, with an accompanied music video filmed in Jeju Island.
On June 13, 2023, Seri was cast in the American animated series "Ghosts of Ruin" alongside Justin Long, Michael Longfellow, Rosario Dawson & Tony Revolori. The immersive animated series is set to debut this fall via Gala Film, the film and television division of content and technology innovator Gala. Seri will be the voice of Juggernaut, an irreverent and extremely hyper pro-gamer and content creator.
On July 22, 2023, Seri attended "San Diego Comic-Con 2023", to promote her upcoming appearance as character Juggernaut in animated series “Ghosts of Ruin".
On February 23, 2024, Seri released the digital single "Sick". The music video for the song was released the following day. "Sick" is part of Seri's new American studio album and is a pop-punk song.
On December 20, 2024, Seri announced that the digital single "Enemy" will be released on November 22, 2024. Following its release and according to her, the song was recorded during Back in Vogue era in 2022, and was released without her knowing. Additionally, she stated that there would be no comeback in the near future.
On December 12, Seri announced the digital single "Under The Armor", to be released the next day. This release was also reported to have been recorded four years prior to its release. In a late December live, she hinted at her contract with ZB Label ending and not being renewed.
On February 20, 2025, Seri revealed through a live that she is preparing for a re-debut in April.
On March 5, 2025, she announced that she is stepping "forward into [her] new artist journey" and moving all of her social networking sites under her Korean name, Kim Seri, which won't be under ZB label anymore.
On March 7, ZB Label released her first full-length album titled Sugarcoat, which was her last release with the label and as AleXa. The album features her previous pop-punk singles, such as "Sick", "I'm Okay", and "Distraction".
By March 7, she officially lost access to her old Instagram and YouTube accounts. The next day, she revealed that she could use her old stage name but would prefer not to, and will most likely use her Korean name instead.
From June 23 to August 4, 2020, Seri was a guest host on the podcast How Did I Get Here?, often shortened to "HDIGH". On August 7, 2020, Dive Studios announced on their Twitter that she would become a permanent fixture on the show alongside original host Jae Park from Korean band Day6. The podcast won the "People's Choice" and "Entertainment" category at the Podcast Award in 2020.
Tours
Special concerts
Online concerts
Special Stages