Michelle Williams looks radiant at a screening of The Fabelmans

Michelle Williams looks radiant at a screening of The Fabelmans in NYC… after giving birth to third child

Michelle Williams was a radiant beauty as she attended a screening of her new film The Fabelmans at MoMA The Contenders in New York City on Thursday night.

The 42-year-old actress walked the red carpet in a quirky black long-sleeved midi dress with white ruffles in the shape of a heart on the chest.

Last month, Williams and husband Thomas Kail welcomed their second child together, although they are yet to share details about the latest addition to their family.

Radiant: Michelle Williams was a radiant beauty as she attended a screening of her new film The Fabelmans at MoMA The Contenders in New York City on Thursday night Whimsical: The 42-year-old actress walked the red carpet in a quirky black long-sleeved midi dress with white ruffles in the shape of a heart on the chest

Radiant: Michelle Williams was a radiant beauty as she attended a screening of her new film The Fabelmans at MoMA The Contenders in New York City on Thursday night. The 42-year-old actress walked the red carpet in a quirky black long-sleeved midi dress with white ruffles in the shape of a heart on the chest

Williams’ statement dress also featured ruffle-lined front pockets and tortoiseshell buttons.

She slipped on a pair of classic black heels to complete the chic outfit.

Williams’ cropped blonde hair was parted in the middle and pushed down to frame her jawline.

The Blue Valentine star’s pout was painted a glossy berry shade and her lashes were coated in black mascara.

New addition: Last month, Williams and husband Thomas Kail welcomed their second child together, although they are yet to share details about the latest addition to the family

New addition: Last month, Williams and husband Thomas Kail welcomed their second child together, although they are yet to share details about the latest addition to the family

Classy: She slipped on a pair of classic black heels to complete the chic outfit

Classy: She slipped on a pair of classic black heels to complete the chic outfit

Her flawless complexion was given an ethereal glow with a mix of baby pink blush and glossy setting powder.

Williams was in a happy mood as she often posed for photographers with a big smile on her face.

She looked as slim as ever, even though she’d only given birth a few weeks ago.

This latest baby is her second with husband Thomas, but her third overall.

Chic: Williams' cropped blonde hair was parted down the middle and swept underneath to frame her jawline

Chic: Williams’ cropped blonde hair was parted down the middle and swept underneath to frame her jawline

Radiant: Her flawless complexion was given an ethereal glow with a blend of baby pink blush and glossy setting powder

Radiant: Her flawless complexion was given an ethereal glow with a blend of baby pink blush and glossy setting powder

She and Thomas share two-year-old son Hart.

Williams welcomed her first child, 17-year-old daughter Matilda, with the late actor Heath Ledger in 2005.

Joining Williams at Thursday’s premiere were her co-stars Seth Rogen, Gabriel LaBelle and Judd Hirsch.

Seth Rogen wore a lavender button down shirt under a cozy cardigan for the occasion.

Co-stars: Joining Williams at Thursday's premiere were her co-stars Seth Rogen, Gabriel LaBelle and Judd Hirsch

Co-stars: Joining Williams at Thursday’s premiere were her co-stars Seth Rogen, Gabriel LaBelle and Judd Hirsch

The 40-year-old comedian donned brown retro corduroys and tan slip-on shoes with black socks.

Gabriel LaBelle cut a stylish figure by pairing his partially unbuttoned white shirt with a fitted gray suit jacket and matching trousers.

Last but not least was veteran actor Judd Hirsch, who looked effortlessly cool in a black leather jacket teamed with a funky patterned shirt and black pants.

Directed by Steven Spielberg, The Fabelmans follows “a young man named Sammy Fabelman” (played by Gabriel LaBelle) who “discovers a harrowing family secret and explores how the power of film can help him discover the truth.” according to IMDB.

Group Photo Rogen, LaBelle, Williams and Hirsch posed for a group photo before the screening

Group Photo Rogen, LaBelle, Williams and Hirsch posed for a group photo before the screening

Release: The Fabelmans is scheduled for release on Friday November 11th

Release: The Fabelmans is scheduled for release on Friday November 11th

The film is semi-autobiographical in that it is based in part on Spielberg’s own upbringing in Phoenix, Arizona.

Williams plays Sammy’s mother, Mitzi Fabelman, while actor Paul Dano plays the Fabelman family’s patriarch, Burt.

Rogen will portray a character named Bennie Loewy and Hirsch will fill in as Uncle Boris.

Premise: Directed by Steven Spielberg, The Fabelmans follows

Premise: Directed by Steven Spielberg, The Fabelmans follows “a young man named Sammy Fabelman” (played by Gabriel LaBelle) who “discovers a harrowing family secret and explores how the power of film can help him discover the truth.” According to IMDB ; LaBelle in The Fabelmans

The film is semi-autobiographical in that it is based in part on Spielberg's own upbringing in Phoenix, Arizona;  Spielberg seen on the set of The Fabelmans

The film is semi-autobiographical in that it is based in part on Spielberg’s own upbringing in Phoenix, Arizona; Spielberg seen on the set of The Fabelmans

The coming-of-age film also features appearances from a host of rising young stars, including Hunters actress Keeley Karsten as Natalie Fabelman and Once Upon A Time In Hollywood’s Julia Butters as Reggie Fabelman.

Spielberg co-wrote the screenplay with Angels in America playwright Tony Kushner.

The Fabelmans is scheduled for release on Friday November 11th.

Parents: Williams plays Sammy's mother, Mitzi Fabelman, while actor Paul Dano plays the Fabelman family's patriarch, Burt;  Dano, Actors Mateo Zoryan Francis-DeFord and Williams in The Fabelmans

Parents: Williams plays Sammy’s mother, Mitzi Fabelman, while actor Paul Dano plays the Fabelman family’s patriarch, Burt; Dano, Actors Mateo Zoryan Francis-DeFord and Williams in The Fabelmans