By Kristy Johnson For Daily Mail Australia
Published: 00:00 BST, 15 April 2019 | Updated: 00:50 BST, 15 April 2019
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She is rumoured to have split with film producer Tyson Mullane after a 17-month engagement.
And now it's been claimed that the couple's breakup was due to their lives 'taking off in different directions'.
A source close to the 35-year-old actress told Woman's Day that with her constant travelling and long working hours, it was hard for the couple to find time together.
'It was hard to find time together': Claims Pia Miller, 35, and Tyson Mullane, 30, split over her constant travelling and long work hours. Pictured in July 2016
'Pia travels a lot for work and is constantly on the go, and between long filming hours and