In the run-up to the UK-wide celebrations for her Platinum Jubilee in early June, Queen Elizabeth II met face-to-face with Switzerland’s president and his wife.

The 95-year-old, who has become the first British queen to rule for seven decades, reportedly responded to her grandson Prince Harry’s concern about the monarch following his surprise visit to the UK.

“I’m just making sure she’s safe and has the appropriate people around her,” the Duke of Sussex, who paid his grandmother a rare and unexpected visit for tea at Windsor Castle last month with his wife Meghan Markle, said in an interview with NBC’s “Today” show.

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During her first official engagement since a week-long respite on the Sandringham estate, the Monarch was all smiles and stood unassisted, smiling enthusiastically for photographs with Cassis and his wife Paola.

The Queen appeared to be in a good mood as she returned to Windsor Castle following a week at her Sandringham estate in Norfolk, eastern England, where she celebrated her 96th birthday privately on April 21.