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Stephanie Denise Kightley|
14 June 1993
Canberra, Australian Capital Territory, Australia
|Height||5 ft 8 in (1.73 m)|
|Eye color||Light Hazel|
IMG Models (New York)|
Bella Management Australia
Ferrario was born in Canberra, Australia to an Italian mother, Lilia Ferrario and an English Father, Russell Kightley. She is currently the face of a lingerie line by Dita Von Teese for Australian department store Myer, and has previously worked with Gok Wan for Target (Australia) and other Australian brands such as Sportsgirl and Berlei, overseas she has worked for Italian stores Fiorella Rubino, Flow clothing in Malaysia and Swimsuits For All. 
In 2012 Ferrario shaved her hair off to raise money and awareness for cancer, alopecia and trichotillomania. She then grabbed the attention of fashion photographer Peter Coulson who photographed Ferrario for his book In My Pants, a charitable publication to raise money and awareness for cancer and the Cancer Council (Australia).
In February 2015, Ferrario started a campaign with television presenter Ajay Rochester to end the use of the term "plus size" to describe models who are above a US dress size 4 by the modelling industry. Ferrario posted a picture with the caption "I am a model FULL STOP" with the hashtag "#droptheplus" which gained coverage in the media and was heavily discussed, with mixed, but mostly positive reactions, on social media and within the fashion industry.
In 2017 Stefania was the face of Melbourne Fashion Week, making her the first model in the world over an Australian size 10 to be ambassador of a fashion week ever.
In August 2017 Dita Von Teese stated on her Instagram that Stefania's "genuine warmth and sensuality always shine through in photos, which is why she's my favorite Dita Von Teese lingerie model, and one of these days I'd like to find a way to have her as a burlesque protegé. One can study and mimic dance moves and wear fancy costumes, but the hardest thing to convey and the real trick is to do what Stefania does naturally. When we brought Strip Strip Hooray to Australia, she came backstage and everyone was tripping over themselves to know who she was... she's just got IT. She's like a cross between Marilyn Monroe and baby Brigitte Nielson, and if you ask me, she's a national treasure in Australia."
- "Stefania Ferrario profile at Model Mayhem". Model Mayhem. Retrieved 28 March 2015.
- "Stefania Ferrario mic.com article". mic.com. Retrieved 28 March 2015.
- "Stefania Ferrario NY Daily News article". NY Daily News. Retrieved 28 March 2015.
- "Peter Coulson photoshoot". Peter Coulson. Retrieved 29 March 2015.
- "Fox News article on Stefania Ferrario and #droptheplus campaign". Retrieved 29 March 2015.
- "#droptheplus campaign". #droptheplus. Archived from the original on 1 April 2015. Retrieved 28 March 2015.
- "Bustle article on #droptheplus". Bustle. Retrieved 29 March 2015.
- "#droptheplus aims to unite not divide, but critics celebrate PLUS". CBC Radio. April 27, 2015. Retrieved 28 April 2015.
- "Fuse article". Fuse. Retrieved 28 March 2015.