This might help explain that killer beach body: Actress Julianne Hough went for a workout at Tracy Anderson Studios -- favored by fitness-obsessed celebs like Kim Kardashian and Gwyneth Paltrow -- Wednesday in Los Angeles.
The 24-year-old "Safe Haven" star recently split from longtime boyfriend Ryan Seacrest and has since been determined, it seems, to have a good time with new BFF Nina Dobrev, judging from their litany of beach and basketball photo ops hangouts.
For more photos of Hough, click through to X17.