The 38-year-old singer looked so happy, breaking out in big, genuine smiles as she stared into the camera while moving her body. Her toned figure was on display, as Brit wore one of her many pairs of ...

If you get bored during "traditional" cardio (running, walking, biking, endless hours on the elliptical), we're insisting you try dance cardio. Choose your music and your routine right, and you're ...