Nicki Minaj is known for bringing out her exaggerated English accent at any given opportunity, and it would appear her obsession with doing so stems from her love of Princess Diana. The European leg of the Pink Friday 2 World Tour has been predictably chaotic, as if anybody would have ever expected anything less. With Nicki Minaj now in the UK following her well-documented Amsterdam arrest debacle, the Superbass rapper is once again raising eyebrows after she claimed to have an unlikely friendship with the late Princess Diana whilst on stage in Birmingham. Nicki Minaj claims to be a friend of …