By Connie Bowker Britney Spears has shared another worrying health update. The 42-year-old Toxic singer revealed her health woes to her Instagram followers on Friday. Britney made headlines last week after an ambulance was called to the swanky LA hotel Chateau Marmont following reports the star was injured in an explosive fight with her on-again, off-again boyfriend, 37-year-old Paul Richard Soliz. Less than 48 hours after the incident with her felon beau, the Princess of Pop shared a video of her severely swollen foot. In the clip, Britney claimed she had only twisted her ankle, slamming para…