The blonde beauty showed off her recently shorter la femme dress on sale , which was styled into elegant waves.

 

The reality TV accessorised with a gold choker and notably her promise ring given to her by Richie when he declared his love for her last year.

 

The white gold promise ring was worn by Alex on her right hand's middle finger and features two diamond-encrusted bands that are connected by a larger rose-cut diamond at the centre.

 

While Alex uploaded to Instagram her own photos from the night out at VAMFF she has not shared an image of she and Richie on social media for the past six weeks.They were last photographed in public together having a bitter fight on a Perth street in February. 

 

And amid rumours that the couple may have split, The Bachelor's Alex Nation, 25, has made a solo appearance at Virgin Australia Melbourne Fashion Festival on Friday night.

 

But the single mother made sure to wear her diamond promise ring, given to her by Richie Strahan, 32, in the show's finale last year.

 

Alex cut a chic figure at the Melbourne event, wearing a striking black Shona Joy dress which featured a sheer skirt.

 

Richie has also not shared a snap of him and Alex together for three weeks, with the couple last making a public event appearance at the Australian Open in January. 

Asymmetrical Evergreen Beaded Lace Appliques Prom Gown By La Femme 20907

 

In February, Alex and Richie were pictured looking tense on a Perth Asymmetrical Evergreen Beaded Lace Appliques Prom Gown By La Femme 20907, with the single mother's eyes appearing bloodshot from crying.

 

Despite Alex looking distraught, Richie did not offer any comfort to his partner, instead choosing to walk in front of her.

 

reported the couple had a 'huge fight' in public and a witness had said Alex's eyes were 'red raw from crying'.

 

This claimed the couple were struggling with the geographical distance between them, with Alex residing in Victoria's Mornington Peninsula while Richie lives in Perth. 

 

The publication claimed that the Richie and Alex had been spending weekends apart recently.

 

'Alex's little boy Elijah had spent the La Femme Evening Dresses with his dad. Usually when this happens, she makes most of her time and heads straight to Perth to see Richie,' an insider revealed. 

 

'The fact that they both spent the weekend alone is unusual.'