Katherine Heigl Stuns in Custom White Cut-Out Christian Siriano Dress at CBS, CW, Showtime Summer TCA Party

Katherine Heigl’s advanced pregnancy did not stop her from attending the CBS, CW, and Showtime Summer TCA Party.

Despite being in the advanced stages of her pregnancy, Katherine Heigl’s commitment to attending the CBS, CW Showtime Summer TCA Party remained unwavering (Credit: FayesVision / WENN / Michael Boardman / Nicky Nelson)

The Roswell actress arrived at the event smiling, looking radiant, and discussing with the press her inability to stay away from doughnuts and sweets during her entire pregnancy.

Katherine Heigl donned a custom white cut-out dress designed by Christian Siriano, and its form-fitting silhouette beautifully embraced her evolving pregnancy curves (Credit: FayesVision / WENN / Michael Boardman / Nicky Nelson)

The 37-year-old was clad in a form-fitting custom white cut-out Christian Siriano dress that showed off her modest bump and a hint of cleavage.

Katherine Heigl’s Lee Savage clutch added the perfect touch of sophistication to her overall look (Credit: FayesVision / WENN / Michael Boardman / Nicky Nelson)

The dress was not exactly maternity wear but perfectly suited her pregnant body. She accessorized with a pair of Casadei pumps and a Lee Savage clutch.

Katherine Heigl graced the occasion with her radiant smile and showcased a remarkable aura of positivity at the CBS, CW, Showtime Summer TCA Party in West Hollywood on August 10, 2016 (Credit: FayesVision / WENN / Michael Boardman / Nicky Nelson)

This is definitely one classy way to dress up a bump. Since the dress is custom, it’s not available for purchase online. But you can try the following dresses to get the same look.

1. Christian Siriano Fitted Lace Midi Dress, $600.00