Britney Spears is chuckling at her trauma. On Sunday, October 13, the Princess of Pop took to Instagram with a video of herself soaking up the sun in a hot pink bikini, as she declared: “It was so freaking gorgeous today !!! Laughing and being silly is life’s best medicine.” In the clip, Spears was all smiles while lounging beside another woman onboard a boat in a scenic body of water. The “Toxic” singer paired her bright bikini with a black sun hat and white sunglasses. Spears’ positive post came hours after the “Toxic” singer uploaded what appeared to be a throwback video of herself dancing …