United Kingdom, July 13 -- Britney Spears finds it "fun to escape realities" by reading about things you're "not supposed to talk about".

The 44-year-old star, who recently dismissed concerns after she was spotted standing through the moonroof of a vehicle on a highway in Los Angeles, has opened up about her love of fiction in a reflective social media post.

She wrote on Instagram: "Does anyone believe in mythology.. vampires, ghost, mermaids the things ur not supposed to talk about. why are those the exact topics that serve real interest..

"Other worlds, the ocean is the most mysterious.. watching too much of the discovery channel of course, very few people can go to the deepest parts so much has not been seen.

"There's so much we st...