Who Is Rachel Aguilera? All About Christina Aguilera’s Sister

Rachel Aguilera is the younger sister of American singer Christina Aguilera. Born on June 6, 1986, in Staten Island, New York, United States, she turned 40 in June 2026. She is American, and her family background includes her parents, Shelly Loraine Kearns and Fausto Xavier Aguilera, as well as her siblings, Christina Aguilera and Michael Kearns.

Rachel and Christina share the same mother and father, while Michael is their younger maternal half-brother through their mother’s marriage to James Kearns. Their childhood also has a connection to Pennsylvania, where Rachel and Christina lived with their mother after their parents separated. This part of their early life connects the sisters through a shared home and family history.

Profile Summary

Details	Information
Full name	Rachel Aguilera
Date of birth	June 6, 1986
Age	40 years old
Birthplace	Staten Island, New York, United States
Nationality	American
Mother	Shelly Loraine Kearns
Father	Fausto Xavier Aguilera
Older sister	Christina Aguilera
Younger maternal half-brother	Michael Kearns
Stepfather	James Kearns
Childhood connection	Pennsylvania, United States

Who Is Rachel Aguilera?

Rachel Aguilera is the younger sister of American singer Christina Aguilera and the daughter of Shelly Loraine Kearns and Fausto Xavier Aguilera. Born in 1986, she shares both parents with Christina. Her family also includes Michael Kearns, her younger maternal half-brother, who was born after Shelly married James Kearns.

Rachel’s childhood has a connection to Pennsylvania, where she and Christina lived with their mother following their parents’ separation. The sisters moved to their maternal grandmother’s home in the Pittsburgh area during their early years. This shared upbringing forms part of Rachel’s family history and places her within the childhood story of her older sister, long before Christina’s later success in music.

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Rachel Aguilera’s Early Life

Rachel Aguilera was born in 1986 to Shelly Loraine Kearns and Fausto Xavier Aguilera, several years after her older sister, Christina Aguilera. Her birth came during a period of change for the family, which returned to the United States and settled in Pennsylvania that year. Pennsylvania became the setting for part of Rachel’s childhood and her early years with Christina.

After her parents separated, Rachel and Christina moved with their mother to their maternal grandmother’s home in the Pittsburgh area. Rachel was still a young child when this move took place, bringing the sisters into a household that included their mother and grandmother.

Rachel’s family later grew when her mother married James Kearns and had a son, Michael. As Rachel’s younger maternal half-brother, Michael shares her mother but has a different father. This later marriage explains how the Aguilera and Kearns families are connected, with Rachel growing up as Christina’s younger sister and Michael’s older half-sister.

Rachel Aguilera’s Family Background

Rachel Aguilera is the daughter of Shelly Loraine Kearns and Fausto Xavier Aguilera, who are also the parents of her older sister, Christina Aguilera. Her father came from Ecuador and served in the United States Army, while her mother had a background in music. These details connect Rachel’s family history to Ecuadorian roots, military service, and music.

Following her parents’ separation, Rachel and Christina lived with their mother at their maternal grandmother’s home in the Pittsburgh area of Pennsylvania. This move brought the sisters into the same household as their grandmother during their childhood. Their family background therefore includes both their parents’ marriage and the later years they spent living with their mother’s family.

Rachel Aguilera’s Parents

Rachel Aguilera’s parents are Shelly Loraine Kearns and Fausto Xavier Aguilera, whose fuller name is Fausto Wagner Xavier Aguilera. They are also the parents of her older sister, Christina Aguilera. Shelly had a background in music, while Fausto served in the United States Army and came from Ecuador, giving the family a connection to both the United States and Ecuador.

Following the end of their marriage, Shelly moved with Rachel and Christina to the Pittsburgh area in Pennsylvania. The sisters lived with their mother at their maternal grandmother’s home during this stage of their childhood. Shelly later married James Kearns, and the couple had a son named Michael, who became Rachel and Christina’s younger maternal half-brother.

Rachel Aguilera’s Siblings

Rachel Aguilera’s older sister, Christina Aguilera, is an American singer known for songs such as “Genie in a Bottle” and “Beautiful.” Before Christina’s music career, the sisters shared their early family life with their mother in Pennsylvania. Their relationship connects Rachel to the Aguilera family’s childhood story, while Christina’s singing career forms a separate part of her older sister’s life.

Michael Kearns is Rachel’s younger maternal half-brother and the son of Shelly Loraine Kearns and James Kearns. Rachel and Michael share the same mother, while Rachel and Christina share both parents. Rachel therefore falls between the two siblings in age: she is younger than Christina and older than Michael. Their different surnames reflect the two marriages within their mother’s family history.

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Rachel Aguilera and Christina Aguilera

Rachel Aguilera is Christina Aguilera’s younger sister, and both are daughters of Shelly Loraine Kearns and Fausto Xavier Aguilera. Their shared childhood includes living with their mother in Pennsylvania after their parents separated. The sisters moved to their maternal grandmother’s home in the Pittsburgh area, making their mother’s side of the family an important part of their early home life.

Christina later built a successful music career with songs such as “Genie in a Bottle” and “Beautiful.” Her performance of “Beautiful” earned a Grammy Award, and the song became one of her signature recordings. Its message of self-acceptance helped establish it as an important part of her musical identity. Rachel’s connection to Christina begins with their shared family history, which predates these professional achievements.

FAQs About Rachel Aguilera

Conclusion

Rachel Aguilera is the younger sister of American singer Christina Aguilera and the daughter of Shelly Loraine Kearns and Fausto Xavier Aguilera. The biographical details provided for this article identify her as American, born on June 6, 1986, in Staten Island, New York. Based on that birthday, she turned 40 in June 2026.

Her childhood also connects her to Pennsylvania, where she and Christina lived with their mother after their parents separated. The sisters spent part of their early years at their maternal grandmother’s home in the Pittsburgh area. This shared upbringing is an important part of their family history, beginning long before Christina’s successful career as a recording artist.

Rachel’s family later expanded through her mother’s marriage to James Kearns and the birth of Michael Kearns. Christina shares both of Rachel’s parents, while Michael is her younger maternal half-brother. Together, these relationships explain the Aguilera and Kearns branches of her family and complete the picture of her background covered in this biography.