Should I talk about my PhD acceptance in follow up email to potential advisor in different school

I got accepted in one of the top-tier school in US for PhD program in Engineering however my dream is to go to different graduate school. I am planning to send a follow up email to one my potential advisor. Can you please tell me how to start and should I mention that I got in to PhD program in one the top-tier school? Should I start with as we talked before or as I mentioned in previous email?