Kanye West has been spotted arriving back in New York with Irina Shayk, further fuelling rumours the pair are romantically involved.The rapper, whose ex Kim Kardashian is reportedly "not bothered" about the dating speculation, was seen stepping out of a white vehicle as he headed onto a private jet with the Russian model.The 44 year old wore a blue baggy hoodie with a pair of dark trousers and beige trainers that featured matching blue-coloured soles.