The 30-year-old sister of the infamous Olsen twins Mary-Kate and Ashley wore an glittering peekaboo blouse to the bash.

Wearing her dirty blonde hair down, she accessorized with a black-trim cream jacket that she threw casually over her shoulders.

Doing the rounds: Elizabeth Olsen posed up at the American Express and Delta Airlines #DeltaAmex Card relaunch in New York on Wednesday

Elizabeth slipped into a high-waisted pair of wood-print slacks and rounded off her elegant evening ensemble with a pair of black heels.

She got her picture taken at various charming sets that had been put up at the event venue, the 14th Street Garage in the Meatpacking District.

One of these sets was an airplane seat complete with a window that opened onto a picture of a blue sky and some clouds.

Glowing: The 30-year-old sister of the infamous Olsen twins Mary-Kate and Ashley wore an glittering peekaboo blouse to the bash

Chic to the hilt: Wearing her dirty blonde hair down, she accessorized with a black-trim cream jacket that she threw casually over her shoulders

Elizabeth also got to smile for the cameras in front of a small fake baggage claim, as well as a swank bar loaded with bottles and fruit.

Her latest outing comes the day after the season two premiere of her Facebook Watch drama series Sorry For Your Loss.

The showbiz legacy gathered with her co-stars and show creator Kit Steinkellner for a premiere event held Tuesday in Hollywood.

There she is: Elizabeth slipped into a high-waisted pair of wood print slacks and rounded off her elegant evening ensemble with a pair of black heels

Mugging for the cameras: She got her picture taken at various charming sets that had been put up at the event venue, the 14th Street Garage in the Meatpacking Distri

Elizabeth stars on Sorry For Your Loss as a new widow who, spinning from her loss, gives up writing her advice column and takes a job at her mother’s fitness studio.

Tony-winning actress Janet McTeer plays the mother, while Kelly Marie Tran plays Elizabeth’s adoptive sister-turned-colleague at the studio.

Sorry For Your Loss debuted last September and dropped the first three episodes of season two on Facebook Watch this Tuesday.

Settling down: One of these sets was an airplane seat complete with a window that opened onto a picture of a blue sky and some clouds

Plugging the product: Elizabeth also got to smile for the cameras in front of a small fake baggage claim, as well as a swank bar loaded with bottles and fruit