The actress announced the end of her six-year marriage to Ashton Kutcher seven months ago but on 03.05.12 she removed the actor`s last name from association with her micro-blogging account.
The 49-year-old star formerly known as @mrskutcher on the website announced: "So hard finding a name that was fun, somewhat playful and available. So for now it will be @justdemi. It could grow on me!"
She also acknowledged her followers who assisted her in the search for a new alias.
She wrote: "Thanks everyone for your help in finding my new name!"
The `Lovelace` actress first asked her 4.9 million followers for their opinion on a new twittername in April.
She wrote: "Time for a change, Twittername change. Any suggestions?
"Collecting all the suggestions! Thank you. Keep them coming!"
Demi had previously defended her decision to keep her username in 2011.
She posted: "Changing my Twittername isn`t a top priority right now. Sorry it bothers so many of you. Should I not tweet until I do? Does it really matter?"