Miley & Liam Breaking Up Is Easy ... Over Twitter

9/16/2013 3:30 PM PDT

Miley Cyrus and Liam Hemsworth -- Breaking Up is Easy to Do Over Twitter

TMZ TV


Miley Cyrus and Liam Hemsworth are DUNZO -- 'cause there was no going back once Miley unfollowed her ex-fiancé on Twitter.

The  hot chick with Liam in Vegas didn't help the sitch either ... we're guessing.