Not everyone in Hollywood is turning their back on Diddy. Bill Cosby’s representative has some sound advice for the disgraced music mogul, should he be willing to accept it. The comedian’s longtime spokesperson, Andrew Wyatt, tells RadarOnline.com that he’s more than willing to provide Diddy with his expertise as he’s navigated through years of accusations and lawsuits against Cosby. “Reflecting on Diddy’s current situation takes me back to the guidance I provided during Cosby’s tumultuous period. Those moments were fraught with challenges, requiring me to navigate the complexities of the MeTo…