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Happy Halloween indeed,Hayden Panettiere!

The 25-year-old star, who is expecting her first child with fiancéWladimir Klitschko, took to Twitter today to show off her costume while simultaneously flaunting her growing baby bump.

Wearing a cheetah print bikini top, a tribal necklace and some seriously impressive face paint, the mama-to-be puts her baby bump on full display in the ferocious photo, whichshe appropriately captioned"Happy Halloween!!!!"

E! News confirmed that Hayden and her hubby-to-be are expecting in early June, and less nb 574 horse than three months later, the blond beauty exclusively revealed to E! News at the 2014 Emmys thatshe's having a baby girl.

PHOTOS: Celeb baby bumps

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The beauty, who's clearly unabashed to flaunt her baby bump, also shared at the Emmys that she's been doing lots of planning for her daughter-to-be.

"I like to shop, girl!" she told E!'s Giuliana Rancic with a laugh. "I want to go shopping for my girl. I want to paint the room appropriately."

As for baby names, the soon-to-be parents are still trying to decide what to call their daughter, as they are hoping to choose a moniker with a nod to both Hayden andWladimir's heritage.

"We have to make sure that it is American and Ukrainian all at the same time," she dished. "That's a little 're still working on it."

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Rick Diamond/Getty Images for Music City Food + Wine Festival

So what's Panettiere's pregnancy craving of choice? "[Pregnancy] probably just accentuated my craving for chicken noodle soup," she revealed. "I've always been a chicken noodle soup lover.""

Hayden has been keeping a relatively low-profile throughout the course of her pregnancy. She was most recently spotted atMusic City Food + Wine Festival Harvest Night in Nashville last month.

The erstwhile star showed off her pregnancy glow while posing for pics withKings of LeonsrockersNathanandCaleb Followill, Garrett Hedlundand herco-starClare Bowen in addition to chatting up a stormwith country music star and fellow mama-to-beHolly Williams.

PHOTOS:HaydenPanettiere's best looks