Tish Cyrus's dog takes her for a walk as she and daughter Noah struggle to control their playful pooch Mate

By GEORGINA LITTLEJOHN Playful tug: Mate pulls at Tish Cyrus's cardigan as daughter Noah struggles to control him on his leadIt's hard to believe that this big white beast was a mere fluffy pup just under a year ago.But Miley Cyrus's German Shepherd Mate has certainly grown up in the short time he has been with the Cyrus clan - and is now so big the family are struggling to control him. MIley's