Following Fifth Harmony's indefinite hiatus, Brooke signed a record deal with Atlantic, and collaborated on the single "Vámonos", with Kris Kross Amsterdam and Messiah.

[8][9]Brooke auditioned for The X Factor in Austin, Texas, not far from her hometown in San Antonio, singing "On My Knees" from contemporary Christian and Latin pop singer Jaci Velasquez.

She was eliminated during the bootcamp round of competition, but was brought back along with Dinah Jane, Normani, Lauren Jauregui, and Camila Cabello to form the group now known as Fifth Harmony.

[16] Brooke joined Plácido Domingo to sing two songs on January 24, 2018, at the Convention Center's Lila Cockrell Theatre in San Antonio, Texas.

[17] Brooke collaborated with German DJ Topic for the song "Perfect", released on January 26, 2018, along with its music video.

[20] In early 2018, Brooke joined the other members of Fifth Harmony in an episode of Lip Sync Battle, performing a medley of songs by Selena and Jennifer Lopez.

[31] On December 21, 2018, Brooke released a song called "The Truth Is In There", written by Diane Warren, as part of Weight Watchers International's Wellness That Works campaign.

[36] In May 2019, Brooke released the single "Lips Don't Lie" featuring rapper A Boogie wit da Hoodie.

[37] In September 2019, Brooke performed the opening theme song to Nickelodeon's The Casagrandes, a spin-off of The Loud House in which she also plays the fictional popstar Alisa Barela.

[44] On December 8, 2019, she opened the Miss Universe beauty pageant, performing a medley of her singles and a Selena tribute with "I Could Fall in Love" and "Dreaming of You".

[45] In January 2020, she announced her Time To Shine Tour on social media with shows in North America,[46] which kicked off on March 6, 2020, in Chicago, IL at the House of Blues.

A week later, on February 28, Brooke released the promotional single "Fabulous" alongside only a lyric video on YouTube.

[48] On July 17, Brooke released her first Spanglish single "500 Veces", with Dominican rapper Messiah, featuring Latin trap beats.

The week after, on October 23, Dutch DJ Fedde Le Grand released the song "Gatekeeper" with Brooke.

[52] She was featured on the song "Break" by the band Santana, which was included on their album Blessings and Miracles released on October 15.

"My Music"), her first fully Spanish solo song, on Twitter, set to be released on October 22, with the teaser "Out of the darkness and into the light".

[54] Brooke released "Mi Música" as the lead single from her debut solo album of the same name, alongside its music video.

She appeared on the song "High Fashion Drugs (Remix)", with American rapper Nessly, producer Dekay, and recording artist 1Da Banton.

Bracey proposed at a New York City art gallery night with a ring designed in Turkey by a private jeweler, according to a press release.

[69] In December 2016, she took part in a toy drive in her hometown, San Antonio, benefiting children at local hospitals.