Work it! Alessandra Ambrosio is working her "A** off!". The stunning model shared a video on Instagram of herself dancing to Rihanna's "Work" and she's even wearing a bikini from her ále by Alessandra line. Although the 35-year-old Brazilian beauty says she's "#alwaysonvacation," she's busy in photo shoots for her latest collection of swimwear. Alessandra tagged the video from the Shangri-la's Villingili Resort and Spa in the Maldives—what a tough gig, right? For the past few days, Alessandra's been giving us a behind-the-scenes look at her gorgeous vacation/work trip, and the sights are breathtaking. This star knows how to...