offered an up-and-coming Aussie actor the opportunity of a lifetime by allowing him to walk the red carpet by her side on Sunday.

Proving why she is known as one of Hollywood's kindest stars, Nicole arrived at the Dolby Theatre in LA with Sydney-born Sam Rechner, 21, who recently made his big-screen debut in Steven Spielberg's semi-autobiographical film

.

Sam plays high school bully Logan Hall in the coming-of-age film, which was nominated for Best Picture, but lost to Everything Everywhere All at Once.

Nicole, 55, whose official plus-one was her country music star husband Keith Urban, held hands with Sam on the champagne carpet as curious reporters asked them about their unlikely friendship.

'This is Sam, who is the son of my best friend since we were four, and he's in The Fabelmans,' Nicole told Canadian news outlet .

Speaking to , Nicole praised Sam for earning 'his way onto the Oscars carpet'.

Sam also joked he was the 'doppelgänger' of Nicole's husband Keith, 55, who was also spotted on his wife's arm at the ritzy ceremony. 

While Sam may not be a household name just yet, he boasts some well-connected relatives.

Nicole Kidman (centre) offered up-and-coming Aussie actor Sam Rechner, 21, (right) the opportunity of a lifetime by allowing him to walk the Oscars red carpet with her and husband Keith Urban (Ieft) on Sunday 

Sam made his Hollywood debut in Steven Spielberg's semi-autobiographical film The Fabelmans, playing high school bully Logan Hall. The movie was nominated for Best Picture, but lost to Everything Everywhere All at Once

Sam is the nephew of Australian TV power couple Peter Overton (left) and Jessica Rowe (right) 

Sam is the nephew of Australian TV power couple Peter Overton and Jessica Rowe. 

'[Peter and Jessica] are the first people I would go to on how to chase that aspiration and on what to do and what not to do,' Sam recently told Sydney's . 

'Pete has been my biggest supporter. We have a very similar way of carrying ourselves in that we have a lot of self-criticism, which keeps us wanting to strive and keep working hard.'

Nicole and Peter have been good friends since their days growing up in Longueville, a suburb on Sydney's lower north shore, in the 1970s.

Sam joins an impressive cast for The Fabelmans, including Michelle Williams, Paul Dano and Seth Rogan. His only other acting credit is the 2022 film Ruby's Choice. 

'This is Sam, who is the son of my best friend since we were four and he's in The Fabelmans,' Nicole told news outlet ETalk. She also invited Sam to speak to Sunrise reporter Sonia Kruger 

Sam also joked he was the 'doppelgänger' of Nicole's husband Keith Urban