India, Oct. 15 -- Britney Spears dropped a cryptic message recently. After Kevin Federline's explosive comments about her surfaced this week, the pop star shared a post that fans believe is her way of hitting back. According to Reality Tea, the 47-year-old's upcoming memoir includes claims that have left many shocked. The former backup dancer, who shares two sons with the Oops!.I did it again singer, says he fears for her well-being and that "the clock is ticking."

Just hours later, Britney posted a message on Instagram that raised eyebrows. Alongside an image of the ocean, she wrote, "The ocean will always remain a mystery to us all, and the secrets that are left to find !!! There is so much we still don't know or have yet to discover, ...