Adrianne León was born in San Diego, California; she is of Ecuadorian and Puerto Rican descent and lived in Ecuador as a child.

[7] She formed Caught Crimson[8] with the help of Murray Yates, lead vocalist of the Canadian rock band Forty Foot Echo.

León later recruited former Artension bassist Kevin Chown, former Alien Ant Farm guitarist Terry Corso, and former Forty Foot Echo drummer Rob Kurzretier.

She provided vocals for a Glamma Jammas commercial song titled "Don't Get Me Started", written and produced by Kendall Marsh.

She also guest-starred on the ABC prime-time sitcom Hot Properties as the young music VJ Courtney alongside Harry Hamlin, as his much younger fiancée.