Margot Robbie exudes effortless chic as she arrives at the Producers Guild Awards in Los Angeles, flawlessly donning a plunging silk frock.

She’s the former Neighbours star who launched her own film production company, LuckyChap Entertainment, in 2014.

And Margot Robbie is fast becoming a Hollywood heavyweight, attending the Producers Guild Awards in Los Angeles on Saturday.

The 27-year-old looked effortlessly chic in a plunging black silk frock, after being recognised for her work on biopic I, Tonya.

Effortlessly chic! Margot Robbie, 27, looked flawless in a plunging black silk frock, as she arrived at the Producers Guild Awards in Los Angeles on Saturday

Margot made a showstopping arrival, opting for a black floor-length frock that showed off her décolletage and toned shoulders.

The blonde beauty’s ensemble also featured a subtle thigh split, offering just a glimpse of her slender legs.

Accessorising with a box clutch and statement jewellery, Margot styled her blonde hair in soft waves.

Stunning: Margot made a showstopping arrival, opting for a black floor-length frock that also featured a subtle thigh split

Tressed to perfection: The Suicide Squad star styled her blonde hair in soft waves

Her makeup palette consisted of a flawless complexion, bold brows, subtle kohl-rimmed eyes and a soft pink lip.

Earlier in the day, Margot attended a breakfast event and Q&A session for the Producers Guild Awards.

The Suicide Squad star dressed conservatively in a black turtleneck sweater and a high-waisted striped skirt.

Girlboss! Earlier in the day, Margot attended a breakfast event and Q&A session for the Producers Guild Awards

Margot was a guest of honour at the event as I, Tonya was nominated for The Darryl F. Zanuck Award for Outstanding Producer of Theatrical Motion Pictures.

She not only played the lead role in the film, but also acted as producer alongside husband Tom Ackerley, Steven Rogers and Bryan Unkeless.

I, Tonya follows the real-life story of US figure skater Tonya Harding whose reputation is tarnished when her husband conspires to injure her rival Nancy Kerrigan.

Looking the part: Margot was a guest of honour at the event as I, Tonya was nominated for The Darryl F. Zanuck Award for Outstanding Producer of Theatrical Motion Pictures