She's done a lot of changing over the years, but one thing that stays the same is her love for the 'buck!

Britney Spears grabbed a drink at Starbucks with her bodyguard today in Calabasas, and while the singer has always loved the chain, it appears she's switched from those calorie-laden frappuchinos to healthier options. It might be December, but Brit Brit was dressed for sunny California temperatures in a white tube dress and wedges and looked great.

The pop princess is looking super svelte these days, which is maybe why she decided to show off her abs in the below Instagram selfie. The "Toxic" songstress is rumored to follow a low carb diet and practice yoga to stay in shape, but she's the first to admit that she actually enjoys it! "Daily exercise is important for me both mentally and physically. I don’t mind working out. Trainers keep you motivated, but I didn’t have a problem being motivated," she confessed to the Examiner.

The chart topper is on a break from her Las Vegas residency, which will resume after Christmas, but that doesn't mean she's sitting around twiddling her thumbs. Our favorite diva is hard at work on her upcoming studio album, and we are dying to hear some of her new tunes!