Share Tweet Pin Email By Katherine Tinsley 8:53am PDT, Sep 5, 2025 _ Kate Middleton's latest hair change has sparked controversy, but Princess Diana's former hairdresser is defending her decision to go blonde. Keep reading for the details...MORE: Follow Wonderwall on MSN for more top news _ Sam McKnight, who previously worked with Princess Diana, was appalled by the remarks made about Kate Middleton's recent appearance. "I am shocked, horrified, dismayed and disgusted by all the nasty comments about the Princess of Wales today.