Hundreds of people gathering in Cambridge to catch a glimpse of the Queen today.
She had a packed day with three visits to fit in, with her last job of the day to officially opened the new Royal Papworth Hospital.
School children waved flags while patients had time out from wards. The Queen officially unveiled a sign marking her visit
After decades in the planning , The £200 million flagship hospital finally opened its doors in May.
The Queen gave Papworth its new Royal title in 2017, ahead of its move, making it the first hospital in the East of England to have such an accolade.
The hospital was given the honour because of its pioneering work with heart and lung treatment.
Papworth is known for a series of medical breakthroughs including the first heart transplant in the UK, carried out in 1979.
The Queen has experienced Papworth first hand after the Duke of Edinburgh was treated for a blocked coronary artery at the hospital in 2011.
Earlier the Queen visited the National Institute of Agricultural Botany, or NIAB as it's known.
It's one of the oldest and fastest growing crop science research centres, founded as a charitable trust.
And the Queen was invited to plant a tree to mark its centenary.
The Queen who is its patron was also shown an exhibition celebrating 100 years of crop research as well as new facilities.
At lunchtime the Queen visited Queen's College where students lined up.
The Duke Of Edinburgh spent 34 years as Cambridge University's Chancellor.