Deleted an Evite, can I get it back?

I think I accidentally deleted an Evite for my neighbor's holiday party. She stopped by yesterday and said "hey you haven't responded to my evite for the holiday party". I think I may have deleted it by accident. I delete things quickly and sometimes hastily and I also always delete my Spam folder without really looking through it. I searched my email high and low and I have definitely deleted everything even from my deleted items bin. Is there any way to get it back? I'm sure I can just call my neighbor and get the details, but I'd like to get the Evite back if I could somehow.