Joining Fred Sirieix, Merlin Griffiths and waiting staff CiCi Coleman and Grant Urquhart for the 16th series are David, Fiona and Daniella.The newcomers all have a background in hospitality and are set to star in the forthcoming run.Daniella, 25, is from Manchester and is a waitress, Fiona, 30, is originally from Huddersfield, and David, 28, has worked in hospitality since he was 13 but is currently working on launching his own fashion brand.The BAFTA award-winning series is back