But getting that bikini bod wasn't easy due to a certain guilty pleasure: "As you guys are probably aware, I love to eat cheeseburgers all day, every day. Well, can't do that anymore."
So how has she replaced that burger-shaped hole in her heart? Begrudgingly, with cucumber salad and spinning: "You have to stick to healthy things, like this nasty cucumber salad. And spin class. I love spin class. I do it at least three times a week."
And if you're in need of some advice on how to perfectly capture that hard-won beach bod, just follow Brielle's patented selfie tips: