Article continues below advertisementPrincess Beatrice has issued a bleak, seven-word warning to her sister Princess Eugenie as their parents, Andrew and Sarah, remain engulfed in their Jeffrey Epstein scandal, with sources telling OK! the pair's exchange was "hopelessly depressing."The sisters were seen meeting near Green Park and Buckingham Palace on November 7 - their first public appearance together since Andrew, 65, was stripped of his titles amid renewed scrutiny of his past ties to pedophile s-- trafficker Epstein.