Sophie Turner was pictured arriving at the Aberdeenshire wedding on Saturday wearing a bright red tuxedo jacket and knee-high black boots. She was well co-ordinated with her on-screen sister, Maisie Williams, who wore a black jumpsuit and red heels.
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Whilst many Internet users, including A-list actress Anna Kendrick, praised Sophie for her bold and fashionable look, others felt the outfit was inappropriate for a wedding.
One Twitter-user and bride-to-be wrote:
'I usually love Sophie Turner’s fashion choices but the bride in me is screaming no at this outfit she wore to her friends wedding. I guarantee her ass would’ve been out at 1 point. Put it away.'
Others were more supportive though, saying Sophie looked 'bomb AF' and 'fashion as hell'.