Sam Hatfield and Fiona Skelton bared all at Buckingham Palace, Tower Bridge, the Houses of Parliament and the London Eye.
They also offered their own interpretation of the iconic image of The Beatles by strolling across the Abbey Road crossing.
The stunts are part of their 'Nakedme' internet project - a 'worldwide crusade' to 'make nudity more acceptable'.
They also danced naked with commuters on the suspended railway in the picturesque German town of Wuppertal.
In a statement on their website they added: 'By a twist of fate it has become incumbent upon us to lead this final battle for carnal freedom.