Miley Cyrus windsor pilates sunglasses sandals Miley Cyrus has always had a rockin' bod, but now that she's doing Pilates it's outta this world!

The Hannah Montana star hit up the studio for a mid-afternoon stretch session wearing comfy white pants, chic aviators, and a black tank that showed off her amazing arms. Looks like her workouts are paying off!

The 19-year-old Disney darling recently shot down rumors she was engaged to her Hunger Games actor boyfriend Liam Hemsworth, but that doesn't mean she has nothing to smile about! Today she tweeted:

"woke up smiling & haven't stopped. feeling so much love, peace, and happiness around me."

We wonder what is making the teen queen so giddy?!