A beige trouser suit has become a wardrobe staple for Princess Kate, and she once again stepped out in a neutral blazer and trousers as she launched a new early childhood development resource on May 6. The Princess of Wales is passionate about educating the public on the importance of the first five years of life , and she kept her own kids close to her heart with her accessories on Wednesday. Princess Kate returned to a favorite Roland Mouret suit to visit the University of East London, where she launched Foundations for Life: A Guide to Social and Emotional Development . Although her outfit was all business, she added a sentimental shout-out to Prince George , Princess Charlotte and Prince Louis with a special Daniella Draper necklace . The jeweler’s fixed alphabet necklace is customizable with up to three charms, and Kate’s frequently worn design features “G,C,L” to honor her children.…