Lauren Conrad is a consummate trendsetter, and whether it’s on the streets of Los Angeles or the red carpet, we can’t get enough of her style. Her longtime makeup artist and friend, Amy Nadine gave us the inside scoop on the reality-star-turned-fashion-designer’s must-have makeup and the cool website they created together! "Lauren loves to experiment with her beauty looks, and she's so fun to be around," Nadine told us. "When we did a mini-tour of her charity with Mark. cosmetics, we had a blast shopping in Miami, eating and drinking our way through New Orleans and Mississippi, and trying to stay warm in Chicago!" Click through our gallery to get a behind-the-scenes look at what it's like to work with Conrad!