Shadows covering the jumper had some people a little confused, with one user commenting: "Is there shadows on the front of the top? Or should I go to SpecSavers."
"Hope she didn’t drop her breakfast," another added.
"Looks like is covered in ash," someone else commented.
One fan responded: "Give the girl a break she is not on TV in this shot!"
The host also clarified: "Yep, it's my arms as I'm taking the selfie."
Other followers, however, shared their love of the jumper with one writing: "That jumper style and colour looks stunning on you Nat."
"Gorgeous colour on you… but then you do wear everything so well," another said.
"You always look stunning," someone else added
"Love the jumper Nat - you look gorgeous!" another wrote.
The jumper retails for $500 from Scanlan Theodore, but if you love the style but not the price, here are a few similar styles:
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