Coronation Street: Alison King set to make a shock return as Carla Connor?

Coronation Street: Could Alison King be making a comeback as Carla Connor? [Getty]Her explosive exit left fans devastated after Carla Connor said goodbye to the street for good.She walked away from Weatherfield after her marriage to Nick Tilsley fell apart after he discovered that she slept with Robert Preston.But could the raven-haired beauty be making a big comeback?Reports have told that Alison was spied backstage on the set of the ITV soap.However, a ...