Spring / Summer 2010 Makeup Trends. The hottest looks and trends inmakeup for spring and summer 2010. From the look of matte lips, to two toned multicolored eyes these are the most popular looks of the season. Most often during the the spring and summer months makeup focuses on softer colors like pinks and purples, these are basic go to spring and summer looks, but if you're more of a trendy makeup maven you can't wait to try something new. So what were the hottest looks of the season, we'll we already know that matte lips are a fav which were seen in a wide variety of colors on the runway. Other looks turning heads are using rainbow colored eyeshadow looks, brown based lipstick, blue eyeshadow, glowing skin, bold eyeliner, peachy lips, and looks of under eye liners. Look below to see the trends worn on the runway and on celebrities.