In 2018, she featured as the lead vocalist on NOTD's single "I Wanna Know", which reached the top 20 in Australia, Belgium and Norway.

In October 2020, after the unexpected success of "Feel Something", Miller would return to releasing under Hollywood Records with the single "Wisdom Teeth".

[7][8] She performed the following songs on the show: On April 11, 2013, it was officially announced that she was signed to Syco Music and Hollywood Records, marking the first collaborative arrangement between these two labels.

She worked with busbee, Jarrad Rogers, Mike Del Rio, and other noteworthy producers for her album.

[17] In December 2014, she was picked as Elvis Duran's Artist of the Month and was featured on NBC's Today show hosted by Kathy Lee Gifford and Hoda Kotb, where she performed live her single "Young Blood".

Her debut single "Young Blood" won the 2015 Radio Disney Music Awards for "Best Song to Rock Out to With Your BFF".

On April 24, 2015, it was announced that Miller would accompany Debby Ryan and Natalie La Rose as opening acts for the summer leg of Fifth Harmony's The Reflection Tour, which began on July 15 in Louisville, Kentucky.

On April 20, 2016, it was announced that Miller would join Selena Gomez on her Revival Tour as an opening act along with DNCE.

[26] In August 2017, Miller's song "Brand New Eyes" was featured in the trailer to the film Wonder, directed by Stephen Chbosky and starring Julia Roberts and Owen Wilson.

[28] Miller had a hand in writing all but one of the songs on Aurora, on topics about "everything from existential boredom to slut shaming".

[29] She conceived of the song as a way to reclaim the word's negative connotations as the positive acronym "sweet little unforgettable thing".

[30] The song went Gold in the US and is Platinum in several countries, including Australia, Canada, the United Kingdom and Sweden.

[32] On March 1, she released the lead single off her upcoming third studio album, titled "It's Not U It's Me", which is a collaboration with American R&B singer 6lack.

[citation needed] In August 2019, Bea Miller released the single "Feels Like Home" with Canadian singer-songwriter Jessie Reyez.

[36] She portrayed League of Legends character Evelynn in the virtual musical group K/DA for "The Baddest" a single from K/DA's EP All Out with Miyeon, Soyeon and Wolftyla.

[40][41] The single's music video was part of the opening ceremony for the 2021 League of Legends World Championship.