By Scarlett O’Toole Kanye West and Kim Kardashian have caused a frenzy among their fans as they reunited at a swanky Malibu restaurant. The former couple treated their eldest daughter North West to dinner at Nobu on Wednesday, where they were joined by a group of the youngster’s friends. Kim and Kanye arrived separately but are said to have spent an hour and a half together inside the restaurant. Kim looked tense during the reunion, with body language expert Judi James suggesting the reality star showed signs of “some inner tension”. However, Judi also believes Kim had made an effort to “dress…