Jamie Oliver and his wife Jools have wished their eldest daughter, Poppy, a happy birthday as she turned 19 on Thursday.The couple, who are parents to five children, expressed their sadness that the family were not able to mark the special day together.Exclusive: Jools Oliver reveals touching bond she shares with daughters after exciting newsWATCH: Jools Oliver pays emotional tribute to daughter Poppy as she heads to universityWith the UK still in its third lockdown, Jamie and Jools are not able