The Saturdays star Una Healy has said that she won’t be applying to the new series of grown-up Love Island as its requirements are “unfair”.The singer, 41, recently made headlines for being part of a rumoured ‘throuple’ with boxer David Haye and model Sian Osborne. Despite recently confirming that she’s single, Una took to Instagram to comment on the new series of so-called ‘middle aged’ Love Island - and said she won’t be applying.