Britney Spears Looks Ripped in New Workout Video: Watch!

She be up in the gym, just working on her fitness.

Now to get work, Brit! Britney Spears showed off her fitness regimen on Instagram on Tuesday, posting a video of herself working out to Fergie’s “Fergalicious.”

WATCH: Britney Spears Jokes That Her Sister Jamie Lynn Is Part of Fifth Harmony -- See the Hilarious Pic!

In the clip, Spears is wearing a cat-printed sports bra and yoga pants, lifting a bar over her head and later doing squats with the bar.

The video shows just how toned and fit the pop star is as she stays in shape for her Las Vegas residency show.

The 35-year-old chart-topper continuously shows off her toned and trim figure while rocking a series of revealing performance ensembles. Last week the mother of two shared a clip of herself in a new cutout black outfit from her show on Instagram.

MORE: Britney Spears Shows Off Toned Body in Skimpy New Outfit For Her Vegas Show

“New outfit, classic song. See you tonight!! #PieceOfMe,” she captioned the video of herself performing “Oops!... I Did It Again.”

In addition to working on her body, Brit isn’t afraid to have some fun. The singer recently teased Fifth Harmony that her younger sister, Jamie Lynn Spears, should be the newest member of the girl group. For more on the joke, watch the clip below!