Ed Sheeran supported his friend James Blunt at the UK premiere of James Blunt: One Brit Wonder at the Picturehouse Central in London on Wednesday night.
Taking to Instagram, the sister of national treasure Jack Whitehall and close friend to Eugenie, posted a selection of unseen photographs from the Anti-Slavery Collective s inaugural Winter Gala.
The royal, 42, who is the daughter of Princess Anne and Captain Mark Phillips, was the picture of sophistication in a modest gown, which matched Eugenie s in glamour.
The singer, 32, surprised fans as he jumped up on stage and performed an impromptu duet with James Blunt at Princess Eugenie s anti-slavery charity gala.
The royal, 35, perfected winter glamour, and donned a black velvet belted suit jacket paired with a flowy tulle skirt to London s Battersea Arts Centre.