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The royals spoke out an event called “WE Day” movement, a charity that brought over 200,000 young people together in 17 cities across the United States, Canada, the UK, and the Caribbean to empower them. Princess Beatrice, 29, said: “There will be too many moments on this stage today where you will hear stories of bullying. “I don’t believe that there are many things in life that can make you feel more vulnerable, more helpless, more alone, than being bullied. “It comes in many, many forms, we’ve all suffered our fair share along the way. Growing up in the public eye, means that every embarrassing, slightly awkward growth spurt, or hilarious fashion moment are published around the world.

WE.org / Getty Princess Beatrice and Eugenie have opened up about how bullying made them feel

“Together, we have laughed, together we have cried," she said, looking at her sister. “Ultimately though, together we field each other’s sense of humour. Princess Beatrice may have been referring to an embarrassing incident at the 2011 wedding of Prince William and Kate Middleton when she wore a taupe headpiece that was deemed “ludicrous" and sparked a Facebook group named Princess Beatrice's Ridiculous Hat. Beatrice added: “When stones are being thrown, we reassure each other that people don’t often understand how hurtful they can be - especially in the world we live in today." Princess Eugenie added: “The world is full of incredible, caring human beings, millions and millions of them, people who strive to provide a loving, nurturing environment, for not only those close to them, but for their communities and the wider world. “This stage has witnessed many of their stories, remind yourself of them, the next time you feel you are surrounded by people who try to undervalue or undermine you. Remind yourself, you are one of the great ones, in fact the best ones!” The daughters of Prince Andrew, the Duke of York, 58, and Sarah, the Duchess of York, 58, attended the event to inspire young people.

WE.org Princess Eugenie added: “The world is full of incredible, caring human beings"

Beatrice and Eugenie, who are seventh and eighth in line to the throne respectively, used their own lives as an example of how difficult it can be to be scrutinised in the press and by the public. Much of their lives have been marred by controversy after their mum, Fergie went through a series of embarrassing moments after joining the Royal Family as Prince Andrew’s bride in 1986. Fergie was seen as a “breath of fresh air”, fun but lacking grace, unlike Diana, when she burst into the Royal Family. But she paved the way for her exit from the royals in 1992 with a very public scandal scandal. In 1992 photographs emerged of the Duchess sunbathing topless and appearing to have her toes sucked by her former financial advisor. The Duke and Duchess of York announced their separation that same year.

PA Fergie pictured with her daughters has been through a series of terrible scandals

Princess Beatrice's appearance with her sister marked her first event with Eugenie, since she announced her engagement to Jack Brooksbank. Eugenie announced in January that she would wed her boyfriend, Jack Brooksbank this Autumn, and Fergie was quickly criticised for her over the top tweets of “total joy” at their union. The duchess penned a note, signed from “Mumsie and Sarahs”, and praised the couple for their “kindness, love and goodness” and beautiful manners. Princess Eugenie told the crowd at WE Day: “As young working women in the public eye, we’ve had to learn some lessons the hard way. “In many ways, we are grateful for that - in hindsight naturally. It taught us to be strong, to value those around us, who love us, and who support us unconditionally. The sisters described how they try to “celebrate the positive and not be afraid to challenge the negative.”

PA In 1992 the Duke and Duchess of York finally announced their separation