Fashion Foto Summer Trends For Teens. One month, four cities, countless collections – here’s our run-down of the stand-out trends from all four fashion weeks for 2019. The 2018 spring summer fashion trends are a fab mix of florals, pastels, sequins and evening glam and definitely awash with fun and fresh. Great fashion at a great deal? rue21 has it! Stay true to trends with girls tops, jeans, skirts, sweaters – we have everything you need for back to school.