|Age (at audition)||14|
|Position Reached||Judge Cuts|
Brennley Brown began singing professionally at age 8. By age 9, she was the invited Guest Soloist for The US Open Championships in NYC to a sold out Arthur Ashe stadium of 25,000 people. She was then asked by the USTA to return 3 years in a row. Brennley was Guest Performer at the Ben Carson Presidential Rally in Sept. 2015 singing the National Anthem. She is the Singing and Speaking Voice of "LILLY" On Disney Channel's Emmy award winning "Sofia The First". In 2013 Brennley became an Ovation Award Winner. 
Brennley Brown's Judge Cuts performance in Episode 1107 consisted of singing Diana Ross's "Stop! In The Name Of Love". Brennley's performance was not strong enough for the judges to send her to the Quarterfinals, eliminating her from the competition along with Julian Davis and The Hayburners, instead of Ronee Martin.
After the Show
Brennley went on to audition for the 12th season of NBC's The Voice. Starting out on Blake Shelton's team, she was later stolen onto Team Gwen during the battle rounds. After having a breakthrough performance in the knockout rounds, Brennley passed through the live playoffs, live top 12, live top 11, and live top 10 with ease, often being announced safe early on in the results night. After three finalists where voted through to the top 4 by America, Brennley was chosen for the instant save along with fellow Team Gwen member Hunter Plake and Team Adam member Jesse Larson. Jesse Larson won America's vote in the instant save and Brennley was revealed to have finished in 6th place, behind her teammate Hunter Plake, who finished in 5th place, and the other 4 finalists. She finished in the Top 6.
She was cast in the role of Leyla in DreamWorks Dragons: Rescue Riders in 2019.