Queen looks fit and happy as she meets with Switzerland's president and his wife at Windsor

Queen Elizabeth II delighted fans as she stood unaided during meeting with the president of Switzerland and his wife at Windsor Castle on Thursday.

The 95-year-old monarch looked on healthy form as she met face-to-face with Switzerland's president, in the build-up to UK-wide celebrations for her Platinum Jubilee in early June.

The monarch was on cheery form during her first official engagement since a week-long break on the Sandringham estate, smiling broadly for photographs with Cassis and his wife Paola. She stood without her walking stick, after complaining of mobility problems in recent months.

The monarch returned to Windsor Castle after a week-long break on her Sandringham estate in Norfolk, eastern England, where she marked her 96th birthday in private on April 21.

The audience with President Ignazio Cassis was her first official engagement since then, and she held it in person rather than by video.

Royal fans were over the moon to see the Queen in healthy form after a long time and sent their love and prayers to the longest-reign monarch.