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Blake Lively attended the premiere of her new movie, Another Simple Favor, at SXSW in Austin, Texas, on Friday, March 7. To promote the sequel to 2018’s A Simple Favor, Lively wore a latex dress created by a designer who has worked with Lady Gaga.

Lively’s blush pink latex shirtdress was designed by Reneé Masoomian, and cleverly features two layers. The top, sheer layer of the Gossip Girl star’s outfit is removable, the latex’s transparency hinting at the low-cut bustier and flowing skirt underneath.

The actress accentuated the dress’s vintage silhouette with a back-pinned, retro hairstyle, and black peep-toe pumps adorned with pom poms and feathers.

Lively had a very quick costume change on the red carpet, removing the top layer of latex to reveal a blush pink corset, and a maxi skirt, which was adorned with black flowers and a black lace hem, and featured black belt detailing at Lively’s cinched waist.

Reneé Masoomian’s Lovely Corset is “made with spiral steel bones, European busk, waist tape, modesty panel, and fully grommeted,” per the designer’s website. The matching Latex Lace Trimmed Maxi Skirt is made from “.25mm latex and trimmed with our moulded rose latex lace.”