UNA Healy has sent pulses racing as she stunned in a fabulous race day dress.

The former Saturdays star stepped out in style for The Dubai Duty Free Irish Derby Festival today.

Una is known for rocking some seriously stylish looks and today's look was no different.

The mum-of-two took to her Instagram to share the outfit details with her fans and friends.

Una looked incredible as she posed for some snaps in a dark purple midi dress that had a unique one shoulder design.

The stunning piece also had a flowing fit and a statement draped design.

The 42-year-old revealed that she got her dress from Karen Millen and it's available on the website for €238.40.

The Tipperary beauty paired her dress with a fabulous pink and purple head piece from Alison Roe Millinery and a pair of cream heels from her own shoe collection.

Una captioned her post: "Off to the races."

The singer also shared a short clip showcasing her fabulous natural makeup look.

She tied the look together with some gold jewellery and wore her hair down in waves.

Una's fans recently called her "so fit" as she soaked up the sun on holidays and shared a jaw-dropping snap.

And while the location of her dreamy vacation was unknown, Una gave fans an exclusive glimpse inside her holiday.

The mum-of-two posted a gorgeous photo of herself all dolled up on her trip.

The 42-year-old looked amazing as she posed in some denim shorts and a black ribbed tank top.

The singer tied her look together wearing a pair wedge sandals, from her own shoe brand, that retail on the website for €59.99.

JUST CAN'T GET ENOUGH

The Tipperary native captioned her post: "Very comfy wedge @unahealyoriginalcollection."

Una's friends and fans all loved her sun-soaked look as they raced to the comment section with compliments.

Kevin wrote: "Absolutely stunning Una."

Doug remarked: "Beautiful as always miss."

One follower said: "So fit."

Keith added: "So gorgeous."