Naya Rivera flashes major cleavage months after giving birth, calls out her 'lopsided boobs'

Naya Rivera Debuts First Photo of Her Son in Adorable Halloween Costume

It's hard to believe that Naya Rivera gave birth to a baby boy in September.

On Tuesday night, the Glee star stepped out for the Vanity Fair and FIAT Toast to Young Hollywood event in Los Angeles, California, wearing a jaw-dropping white gown that showed off her ample cleavage.

WATCH: 14 Celebs We Saw Naked in 2015

"Absolutely l❤️ved this @TadashiShoji look tonight for the @VanityFair young Hollywood party!" Rivera Instagrammed.

The 29-year-old actress also credited breastfeeding her son, Josey Hollis Dorsey, for how her breasts looked in the dress. "Shout out to my son for the lopsided boobs," she quipped. "LOL #breastfeeding #momlife He is SO worth it."

MORE: Naya Rivera Shows Off Her Insane Abs Less Than Five Months After Giving Birth

Rivera's husband, Ryan Dorsey, must have been babysitting because the new mom brought along fashion stylist, Taylor Jacobson, as her date to the party.

The cleavage-baring gown isn't the first plunging neckline Rivera has worn since welcoming her new baby. At a Golden Globes after party in January, she stepped out in a Pamella Roland gown that also flaunted her sexy curves.

When mom and dad have a night out @dorseyryan

A post shared by Naya Rivera (@nayarivera) on

When you find a full length mirror...

A post shared by Naya Rivera (@nayarivera) on

While her post-baby styles are certainly scantily-clad, nothing has been quite as provocative as when she posed nude while pregnant. After posting pics from a shoot in August, Rivera had to fight off claims that she was copying her frenemy, Kim Kardashian.

WATCH: Naya Rivera Shares Adorable First Photo of Son on Halloween

"I chose to share pregnancy photos because I think this is a very beautiful and special time in my life," she Instagrammed at the time. "Media outlets know that when you give your photos and an interview to run a story you never get a choice as to when it runs. So trying to make something out of nothing based on stupid assumptions is awful. Such a shame. Especially when it comes to a woman and her beautiful pregnancy journey."

Here's a look at the nude pregnancy pics:

Naya Rivera Shows off Her Growing Baby Bump in Barely-There Bikini

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