Laura Holly Aikman (born 24 December 1985) is an English actress, Her notable roles include Mysti in the CBBC-BBC Two children's fantasy series, "The Mysti Show", from 2004 to 2005; May Phelps in the BBC One medical drama series, "Casualty", from 2009 to 2010; Rosie in the ITV2 mock reality show, "Lemon La Vida Loca", from 2012 to 2013; Melanie Poppy in the CBBC comedy drama and musical children's series, "4 O'Clock Club", from 2012 to 2014; Natalie Mason in the ITV2 sitcom, "The Job Lot", from 2014 to 2015; Lorna Hutchinson in the BBC One school-based drama series, "Waterloo Road", during 2015; and Sonia in the BBC One sitcom, "Gavin & Stacey", during 2019.