One social media user wrote: “Wow, gorgeous,” alongside the snap.
A second and third added: “Simply astonishing and stunning”.
Another remarked: “Love this look,” while a fourth fan said: “Thought you were turning into Wonder Woman for a minute there.”
Just last week, Amanda released her own collection of pretty dresses in collaboration with British brand Fenn Wright Mason.
The clothing line features a number of summery outfits including a floral number the ‘Mandy dress’ which was named after the star.