[4][5][6] Out of six siblings, as she has three brothers and two sisters, Cyrus is the first and eldest daughter of country singer Billy Ray Cyrus.

Cyrus was born on May 26, 1987 in Nashville, Tennessee as Brandi Glenn Helson.

Her biological father is Baxter Neal Helson.

[8] She was adopted at age six by Billy Ray Cyrus, her mother's second husband, following their marriage.

[7] Her siblings include brothers Trace and Braison and sisters Miley and Noah Cyrus.