By Sarah Tetteh The real reason why Tom Cruise, 61, and socialite girlfriend Elsina Khayrova, 36, split has been revealed. The Mission Impossible star and the Russian socialite went their separate ways recently. Insiders say that Tom ‘cooled things down’ as the pair were ‘moving too fast.’ Top Gun star and the socialite are reportedly still in touch after the split, which seemingly came out of the blue. Click here to follow the Mirror US on Google News to stay up to date with all the latest news, sport and entertainment stories. READ MORE: Kendall Jenner has rekindled her relationship with Dev…