Kate Garraway has opened up about her "bumpy" Christmas, revealing her husband Derek had a health scare that left her fearing he might have to go back into hospital.MORE: Kate Garraway reveals incredible milestone for husband DerekSharing a rare photo of her husband at home with their two children, Darcey and Billy, Kate said that although Derek had been "too weak to do much other than sleep," she was still feeling "so grateful" that they had been able to spend the day together after being apart