Rosalie Jo Cunningham is an English singer-songwriter. After the break-up of the band Ipso Facto, Cunningham started a new project named Purson. She has performed as a solo artist since 2017.

Purson was an English psychedelic rock band from London, England, founded by Rosalie Cunningham. Purson formed after Cunningham disbanded her previous project Ipso Facto. They were signed with Spinefarm. Cunningham described their sound as "vaudeville carny psych".