Gwyneth Paltrow is one year older, and to mark the special occasion she continued a now-birthday tradition – posing nude for her fans.MORE: Gwyneth Paltrow's stunning homes amid house renovation near Prince Harry – photosThe star, who turned 49 on Monday, took to Instagram on Tuesday and could be seen relaxing in an outdoor tub whilst wearing just her birthday suit.WATCH: Gwyneth Paltrow shares rare Brad Pitt storyThe mother-of-two looked stunning in the makeup-free snap, with her hair tied up