Born in Toronto, she studied jazz at Concordia University in Montreal and honed her craft in Vancouver as the lead singer of the lounge band The Colorifics, signing as a solo artist to Nettwerk Records.

Her family spent summers in Lake Huron where she and her older cousin, Canadian singer-songwriter and alt hip-hop artist Kinnie Starr began singing together.

She met South American composer Jorge Diaz de Bedoya who introduced her to the sounds of Bossa Nova, Serge Gainsbourg and ‘Tropicalia’, all of which influenced her writing.

Frost was awarded West Coast Vocalist of the Year in 2003, and opened for Coldplay, The Dandy Warhols, Blue Rodeo, Cowboy Junkies, and toured with Au Revoir Simone, The Flashing Lights, Neko Case and Hawksley Workman.

Lily was signed to Aporia Publishing who distributed her releases: Situation, Cine-Magique, Viridian Torch, Flights of Fancy, Do What You Love, Rebound Bitch, Motherless Child.

In 2009 Lily and Trevor Yuile co-wrote the theme song and score "All I Ever Wanted to Be" for the popular CBC TV series Being Erica which was nominated for a Gemini Award.

She has had her songs appear in Grey’s Anatomy, Crazy/Beautiful OST, Workin' Moms, Charmed, Felicity, Stargate SG-1, MTV’s The City and in ads for Chevrolet and Hudsons Bay.

In 2016 Lily released original singles with Aporia Records and worked as a staff writer for the label, leading to co-writing in Toronto, Nashville and Los Angeles with Chris Unck (Pink), Eleni Mandell, Skye Machine, Dreamspeed (Beatchild, Slakah the Beatchild), writing for artist Chloe Watkinson and with others like Myshkin Warbler, Matt Lipscombe (Me Mom and Morgantaler), Jane Bach, Benita Hill, Adam Searan, Tom McKay (Joydrop), James Di Salvio (Bran Van 3000).

Produced in NYC with Gus Van Go, the record has a 60’s sound with girl group back-ups, spaghetti western guitars, live and programmed drums and hofner bass supporting Lily’s cool yarn-spinning voice.