Britney Spears Gives Fans a Sneak Peek At Her Workout Routine — and Her Amazing Body!

Britney Spears just gave fans a look at her workout routine, sharing the secret to her incredible body on Instagram!

Wearing a sports bra and her hair pulled up into a messy bun, the 34-year-old singer walked on the treadmill and lifted weights at the same time.

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"After Cheesecake Factory you do this… Treadmill and weights," she captioned the short video, which put her impressive physique on display.

This isn't the first time the mother-of-two has flaunted her hard-earned curves on social media. Check out the gallery below for more ab-baring pics!