She's had at least 2 Twitter accounts.
This is the original one, and I think she still uses it the most
twitter.com/tesstaylor1
But apparently it was hacked, so she created the one below, but then supposedly got the first one back...She also has a creative blog for art and fashion stuff.
twitter.com/tesstaylorpw
stellataylor.tumblr.com (linked from the
tesstaylor1)