The one that got away...and I'll be in close proximity soon?

There's that special guy from my past that we couldn't stop teasing/bantering with eachother. Everybody joked that we would get married one day and after a while it started not to sound so bad...anyway, we were both young and I was too defensive to let anything real happen because I was uncomfortable with my appearance (I was always long baggy clothes and pants girl) and moved away from the area. Now, I'm more comfortable in my own skin and happen to be moving back to the area and want to wow him into realizing I'm not the same afraid of intimacy/fun person. Any tips as far as clothes(I'm still overweight so skin tight stuff is off limits)/conversation that I can use to make him realize this and bring the sparks back? Thanks!