Wat shud I wear to make him see wat hes missin?? a fellas opinion would be great?

My ex who I was with 4 5 years and broke up with me a month because he said he needed to be alone 4 a while and needed space but says he still thinks im absolutely gorgeous so im on a mission to slyly win him back by discreetly showing him wat hes missing he might be coming over to watch a dvd to try the whole lets be friends lark i want to look y and Irresistable but not like ive made an effort suggestions please :)