She appeared in a 2011 video for the song "Gotta Be You," where she met the band while filming. She later moved to New Zealand, where she would re-encounter Styles.
Backlash from One Direction fans led to her deleting her Twitter account, although it has since been reactivated. She's worked as a Wilhelmina and Boss model.
To further complicate matters, Ostilly had a boyfriend at the time named Sean, who was in the Navy.
She appeared in a music video for singer Stefan James.