Saoirse Ronan debuts a new blunt bob on the red carpet, leaving her elegant powder pink dress do the talking.

The 23-year-old is wearing a custom-made Calvin Klein By Appointment gown, paired with a monochromatic satin pump.

The Carlow native's star stylist Elizabeth Saltzman had previously teased that the dress was inspired by "1980's Debbie Harry".

Good luck tonight #SaoirseRonan #Oscars #oscars90 @rtenews @RTE_Ents

— Caitriona Perry (@CaitrionaPerry) March 5, 2018

Saltzman told W Magazine that she was delighted to work with the Oscar-nominated actress for another awards season.

Read More: Proudly showing her colors - Saoirse Ronan glows in green at the Spirit Awards

“She’s the oldest, most wonderful soul that I’ve been fortunate enough to meet. I met her at 21 and she was far older than I was at 50 and wiser, smarter, and cooler," she told the outlet.

Queen is here!! #saoirseronan #ladybird #oscars #oscars2018 #queen #beautiful #amazing

A post shared by Saoirse Ronan (@saoirseronancom) on

“Now at 23, she has the confidence to try things. Her body has changed. Her attitude has changed. She’s all grown up,” Saltzman added.

Ronan's Dublin-based stylist and childhood friend Grace Moore, who looks after the A-lister's day to day looks, took to social media to wish her good luck.

What do you think of Ronan's Oscar night look? Let us know in the comments below!