Watch Britney Spears Work Out To 'Fergalicious' in Blazing New Fitness Clip

If you follow Britney Spears on Instagram, it comes as no surprise that the 35-year-old pop icon takes damn good care of herself and isn't shy about showing how. In her latest fitness-focused video, she's uploaded a clip of doing bar curls and squats to the tune of . Fergie's 2006 hit "Fergalicious'. 

But more to the point—Brit looks amazing. 

Just asking: Is it even better than this clip of her cutting loose to Meghan Trainor in a sports bra and whatever that bottom is from a few months ago? We can't decide. 

Other sexy pics have revealed the fitness-loving Spears has the flexibility of a freakin' contortionist. 

All of that hard work is definitely paying off. Just look at her:

Still need more Spears? In case you missed it, here's the new trailer for Brit's upcoming Lifetime movie. Don't act like you don't wanna watch it...