Princess Diana's niece Lady Eliza Spencer announces engagement: All about her dreamy Greek proposal

Princess Diana's 33-year-old niece, Lady Eliza Spencer, just said yes to forever! On July 31, Spencer took to Instagram to share that she was engaged to her longtime boyfriend, Channing Millerd.The post featured three photos with Santorini, Greece, in the background, where Millerd popped the question. In the opening slide, Eliza could be seen smiling at her fiancé with her hand on his neck, flashing the engagement ring. Another photo showed Millerd on his knee and Eliza in a red dress and flip-flops kneeling beside him, her hand covering her smile. The third and last photo showed the set-up of the proposal with a table and two chairs, lots of burning candles and flowers and celebratory champagne. Adding a memorable touch were the blue waters of Santorini in the background."Forever and Ever", captioned Spencer in the post with a red heart. Millerd also shared the good news on his Instagram stories with an instrumental version of "Stand By Me"Eliza's twin sister, Lady Amelia Spencer, was among the first ones to congratulate the newly engaged diva online, commenting, "I couldn’t be happier for you both! The BEST NEWS IN THE WORLD I love you both with all my heart! The perfect couple and dream engagement""The best news ever!! Cannot wait to be together wohoooo" commented Amelia's husband, Greg Mallett, under the post.Amelia has been married to Greg Mallett, who attended school with Eliza's fiancé, Millerd. The four are often spotted at public events together. "Channing is one of my best and closest friends," Mallett told Hello! earlier this year. "We played a lot of the same sports, like rugby and water polo, and naturally shared a lot of the same interests. More than that, we share the same values – loyalty, ambition, integrity and a strong sense of family – which has kept our bond strong over the years."The twins' sibling, Kitty Spencer, also congratulated the newly engaged couple with an Instagram story, writing, "So happy for you and love you both very much."