Lost my WordPress Account

Hello,

I had my wordpress account, which was created by a website designer, my host was hostgator now I am managing myself I paid for my own business hosting, which they have been hosting ok for 4 months but last week i wanted to create a personal email info@mychloeharris.com, I emailed hostgator create my account, but I couldnt access then the told me that my nameservers was wrong. when I change the name server to the recommended on, I couldnt login into my wordpress anymore. but I can still see my website live. When I asked Hostgater the said I should create a new wordpress account but when i did this couse it the same domain name I have now lost the site which I paid $1000 to get built and you can look at my stats below.. I have alseo lost all the plugins I paid for already. I don’t want to do lose my site but to recover my wordpress account and also my website http://www.mychloeharris.com my old site

Search auto Domain Tag Keyword
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Rating:2.5/5.0byWebstatsDomainOverview of Mychloeharris.com
Mychloeharris.com is 4 months old, it is ranked 5,490,924 in the world (among the 30 million domains).
This site is estimated worth $1,001USD.
This site has a low Pagerank(0/10). It has 2 backlinks.
It’s good for seo website. Mychloeharris.com has 13% seo score. Mychloeharris.com is safe.
Pagerank: Safety: 100/100Alexa Rank: 5,490,924Organic Keywords: 1