[9] In April 2022, Brooklyn graduated as a Master Esthetician from the Skin Science Institute of Laser & Esthetics in Utah.

The twins launched their own YouTube channel, Brooklyn and Bailey, with a focus on teen interests, fashion, beauty, and "all things fun" in 2013.

[12] In November 2015, the sisters launched Squared, a YouTube channel and daily web series described by Variety as being "dedicated to all things twins".

Brooklyn and Bailey had previously collaborated with Peter Hollens for a cover of Lennon and Maisy's "A Life That's Good Can Be Bad" in August 2015.

[21] On January 20, 2025, a post shared on social media revealed that Brooklyn had given birth to a baby boy, Archer Lewis Blackburn.