However, Frost, who celebrated one-year anniversary with 31-year-old Mielczarek this month, has taken to Instagram to set the record straight.
When one follower asked, "Cmon girl when are you getting married?"
"Not for a very long time!!! I am no way near being ready," the 26-year-old radio presenter replied.
The Two met on Channel 10's The Bachelorette and currently reside in Sydney together.