[5][6] She spent her teenage years in Melbourne attending Methodist Ladies College in Kew, Victoria before moving to Sydney to work for Channel V Australia.
In January 2013, Stynes hosted Mix 106.5's breakfast program with Sami Lukis the first all-female team on FM commercial radio in Sydney.
[3] In January 2017, Stynes joined the KIIS Network to host 3PM Pick-Up with Katie 'Monty' Dimond and Rebecca Judd.
The ACMA, in its review of the incident noted that "the emphatic and sweeping suggestion by Ms Kennerley of endemic sexual abuse in Indigenous communities could be capable of provoking strong negative feelings in a reasonable person".
[24] Stynes is a writer and host of ABC Radio podcast on female health and sexuality, "Ladies, We Need to Talk".
Stynes's 2023 book Welcome to Sex, co-authored with Dr Melissa Kang, was pulled from sale in Big W stores after criticism from conservatives and "abuse" from customers.
Criticism centered around the explicit information and illustrations in the book, together with Stynes' assertion that she would be happy if an 8 year-old read it.