Over three decades as a hip-hop mogul, Sean “Diddy” Combs surrounded himself with a large circle of A-listers, including everyone from Jennifer Lopez to Jay-Z. Now that Combs is facing criminal charges and accusations of drugging and abusing women during so-called “Freak Offs,” his vast network of famous friends is under the spotlight. As Combs — who denies the allegations and has pleaded not guilty — is being held without bail in a Brooklyn jail...