The 35-year-old singer's got some serious balance!
Britney Spears has some serious balance!
The 35-year-old singer took to Instagram on Friday to show off how she spends "the wee hours of the night" -- walking on her hands!
WATCH: Britney Spears Shares Lingerie Pic, Shows Off Incredibly Toned Body -- See Her Sexy Look!
"What do you do in the wee hours of the night?... walk on your hands ?," she captioned the impressive clip.
While Brit Brit is certainly full of surprises, her fitness game is no secret.
The singer hasn't been shy about showing off her fit bod, even sharing videos of her workouts on social media.
See Spears flaunt her figure at the gym -- and lift weights to "Fergalicious" -- in the video below.