Kyle Sandilands and his wife Tegan pulled out all the stops for their son Otto’s third birthday on Sunday, celebrating his big day at a Hot Wheels Live event at Qudos Arena.

The couple were spotted arriving at the Sydney venue with their little boy in tow, carrying a bunch of bright Hot Wheels balloons that matched the theme of the day.

Kyle, 54, wore his usual all-black outfit – a puffer jacker worn over a long-sleeve shirt, matching trousers and sneakers.

He accessorised with a black baseball cap which had his designer sunglasses perched on it.

Meanwhile, Kyle’s wife Tegan, 39, looked youthful in a long-sleeve black top and baggy jeans, while her blonde hair was elegantly styled.

The exclusive birthday bash was attended by a handful of familiar faces, including Kyle’s manager Bruno Bouchet, Sydney businessman John Ibrahim, and Kyle’s rarely seen brother Chris.

Kyle Sandilands and his wife Tegan pulled out all the stops for their son Otto's third birthday on Sunday, celebrating in style at the Hot Wheels Live event at Qudos Arena

Kyle Sandilands and his wife Tegan pulled out all the stops for their son Otto’s third birthday on Sunday, celebrating in style at the Hot Wheels Live event at Qudos Arena

The couple were spotted arriving at the Sydney venue with their little boy in tow, carrying a bunch of bright Hot Wheels balloons that matched the theme of the day

The couple were spotted arriving at the Sydney venue with their little boy in tow, carrying a bunch of bright Hot Wheels balloons that matched the theme of the day

Kyle looked effortlessly stylish in an all-black outfit consisting of a slick puffer jacker worn over a long-sleeve shirt, matching pants, and sneakers

Kyle looked effortlessly stylish in an all-black outfit consisting of a slick puffer jacker worn over a long-sleeve shirt, matching pants, and sneakers

He accessorised with a black baseball cap and kept his hands full with Hot Wheels-themed balloons and a bag

He accessorised with a black baseball cap and kept his hands full with Hot Wheels-themed balloons and a bag

Kyle's wife Tegan turned heads in a chic ensemble comprising of a long-sleeve black blouse and baggy jeans, while her blonde hair was elegantly styled

Kyle’s wife Tegan turned heads in a chic ensemble comprising of a long-sleeve black blouse and baggy jeans, while her blonde hair was elegantly styled

The birthday bash was attended by a handful of familiar faces, including Kyle's manager Bruno Bouchet, Sydney Kings Cross identity John Ibrahim (pictured), and Kyle’s brother Chris, ensuring Otto's big day was celebrated in grand fashion

The birthday bash was attended by a handful of familiar faces, including Kyle’s manager Bruno Bouchet, Sydney Kings Cross identity John Ibrahim (pictured), and Kyle’s brother Chris, ensuring Otto’s big day was celebrated in grand fashion

The radio king’s brother Chris kept it casual in a black shirt as he joined in the celebrations, partying alongside his family.

Elsewhere, Kyle’s manager Bruno Bouchet was spotted entering the venue with a present for the birthday boy from Big W.

Kyle and Tegan were seen doting on Otto, holding his hands and keeping him close as he raced from one activity to the next.

It looked to be a lavish and fun-filled celebration, with balloons, music and themed displays adding to the excitement of the day.

Tegan and Kyle welcomed their son in August 2022.

Just after the baby arrived, Kyle told the Sunday Telegraph that Otto had already won his heart and he couldn’t stop ‘staring’ at him.

‘We just look at him the entire time, like a couple of goons, just staring at him — and then we look at each other and smile,’ Kyle told the publication.

‘And then we [himself and Tegan] have a little tear.’

Kyle and Tegan were seen doting on Otto, as he raced from one activity to the next

Kyle and Tegan were seen doting on Otto, as he raced from one activity to the next

It looked to be a lavish and fun-filled celebration, with balloons, music and themed displays adding to the excitement of the day

It looked to be a lavish and fun-filled celebration, with balloons, music and themed displays adding to the excitement of the day

The radio king's brother Chris kept it casual in a black shirt as he joined in the celebrations, partying alongside his family

The radio king’s brother Chris kept it casual in a black shirt as he joined in the celebrations, partying alongside his family

Elsewhere, Kyle's manager Bruno Bouchet was spotted entering the venue with a present for the birthday boy from Big W

Elsewhere, Kyle’s manager Bruno Bouchet was spotted entering the venue with a present for the birthday boy from Big W

Kyle went above and beyond to give his young son a birthday celebration to remember

Kyle went above and beyond to give his young son a birthday celebration to remember

It looked to be a lavish and fun-filled celebration, with balloons, music and themed displays adding to the excitement of the day

It looked to be a lavish and fun-filled celebration, with balloons, music and themed displays adding to the excitement of the day

Tegan and Kyle welcomed their son in August 2022

Tegan and Kyle welcomed their son in August 2022

It comes as Kyle last year revealed he and Tegan had some exciting family news.

Speaking on The Kyle and Jackie O Show, the radio king said his wife Tegan had changed her surname to Sandilands on all government-issued documents.

The shock jock said ‘I do’ with the communications executive at the heritage-listed Swifts mansion in Sydney’s Darling Point in front of 130 guests in April 2023.

Among his A-list guests were Prime Minister Anthony Albanese, Kyle’s KIIS FM co-star Jackie ‘O’ Henderson and singer Guy Sebastian.