The Queen has reportedly joined millions of other Brits and received her second dose of the coronavirus vaccine.The 94-year-old was given the shot ahead of her first public appearance in five months on Tuesday, claims The Sun.Her Majesty went maskless and was cheered at an air force celebration in Runnymede, Surrey, after spending months at Windsor Castle in lockdown.She told crowds she was "delighted" to be outdoors in her first public engagement since November.She stepped out of her Covid bubble and was treated to a Red Arrows flypast at the centenary celebrations of the Royal Australian Air Force.She told onlookers: "It is a rather nice day.