Beyonce Knowles Photos Photos - Beyonce and Bruno Mars perform during the Pepsi Super Bowl 50 Halftime Show at Levi's Stadium on February 2016 in Santa Clara, California. - Pepsi Super Bowl 50 Halftime Show
If It Fits Your Macros Explained! What You Really Need To Know About IIFYM! To break it down and start from the beginning, macronutrients are the three main food groups – proteins, carbohydrates and fats.