How to get back your Domain
There are Some Steps you can take to get back your Domain
Step 1) Find you Domain
Step 2) Check her Website if he was re-selling a domain then you can contact or buy a domain..
Step 3) you can also Check on Go- Daddy or Other Domain selling website if he was re-selling a domain you can easily buy it.
Contact Her , & try to convince her , if He Do Not sale , then you can not do anything until you wait.. if her domain is expire then you can buy..