By Andrew Court For Daily Mail Australia
Published: 07:56 GMT, 7 November 2017 | Updated: 08:37 GMT, 7 November 2017
She's the Dutch supermodel who was seen beaming as she arrived at the Melbourne Cup on Tuesday.
But the day appeared to take a turn for Lara Stone, later pictured in a heated discussion as she stood with friends inside VIP marquee, The Birdcage.
The 33-year-old was seen with a scowl on her face as she conversed with people presumed to be her minders.