Pregnant Chrissy Teigen Hosts Retro-Themed Birthday Party on a Plane, Kim Kardashian and Kanye West Attend

The mom-to-be turned 32 in style.

Chrissy Teigen took Throwback Thursday to whole new level!

In celebration of her 32nd birthday, the pregnant star hosted a party on a plane that was Pan Am themed. Teigen covered up her baby bump in a coral peplum, double-breasted skirt-suit that she paired with a black beret, satin gloves and a boa.

Her husband, John Legend, also nailed his costume, stepping out in a flared tan suit, a  floral shirt and a flat cap.

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Teigen went all out for her party, which took place on a Pan Am American World Airways 747 at the adult theme park Pan Am Experience, in Pacoima, California. The celebration included fake cigarettes, which Teigen took full advantage of, while jokingly doing an in-flight safety demonstration.

Kim Kardashian West was one of the guests at the party, along with her husband, Kanye West, and her mother, Kris Jenner. The mother-daughter duo also had fun with the theme, with Kardashian channeling former first lady Jacqueline Kennedy Onassis in a pale pink dress, white heels and dark sunglasses. 

As for Jenner, she sported a neck scarf, black cape and some vintage luggage.

Teigen's party comes just a few weeks after she announced she and Legend are expecting their second child. 

Prior to breaking the baby news, the Sports Illustrated swimsuit model got really good at hiding her bump. Check out her chic maternity styles:

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