Katheryn Winnick Nip Slip (1 Pic) Here is a new pic of Katheryn Winnick from Instagram, 07/28/2017. Fake or not? Katheryn Winnick is a Canadian actress (Vikings – TV). Age – 39. Instagram: https://instagram.com/katherynwinnick/ Twitter: https://twitter.com/katherynwinnick width=”540″ height=”960″ Thanks to Lino for the info!