The Queen has returned to Windsor ahead of her four day Platinum Jubilee celebrations.The 96 year old monarch was seen returning to Windsor Castle in a green Range Rover as she prepares to celebrate 70 years on the throne, with one of her faithful corgis in the back seat.The Queen has spent the last few days at her Scottish home Balmoral, said to be one of her favourite places to visit, as staff busy themselves with preparations for the historic celebration.The four day Jubilee celebrations will begin on Thursday with a special Trooping of the Colour parade.The Epsom Derby will take place on Saturday 4 June, said to be a favourite of the Queens, although Her Majesty is not expected to attend in person as she celebrates Meghan and Harry's daughter Lilibet's first birthday. Get exclusive celebrity stories and fabulous photoshoots straight to your inbox with OK!'s daily newsletter.