Princess Eugenie and Princess Beatrice are beginning to participate in more royal engagements as Kate Middleton battles cancer, but experts urged the sisters to keep their day jobs. “The glaring spotlight will inevitably exacerbate tensions around their work-life balance and boundaries,” Alison Lancaster told GB News. “Beatrice and Eugenie already have thriving careers — adding royal duties to that mix is a serious bandwidth consideration.” Eugenie and Beatrice attended the Buckingham Palace’s garden party alongside their cousins. “Zara [Tindall] is an internationally competitive athlete, and …