Vanessa Lachey's baby bump is getting bigger!

The pregnant star, 31, showed off her growing belly in a clingy gray maxi dress during a trip to Best Buy in Los Angeles on Wednesday. She accessorized with a plaid newsboy cap, denim jacket and silver jewelry. See more photos here.

"I'm very excited either way, but I always wanted a boy first," the Winter Wipeout host, who's due in six months, tweeted last week. "Just a healthy baby."

Lachey is eager to learn her baby's gender, as she tweeted a photo of a gender prediction test. "Am I crazy for wanting to try this?" she asked. "I'm such a sucker for this kind of stuff!"

The newly married star, who wed singer Nick Lachey in July, added that she's been feeling "really good" since her husband announced their baby news on LIVE! With Kelly March 5. "I've been lucky," she tweeted. "No morning sickness!"

The TV host and former MTV VJ also said she hopes to raise their baby in L.A. Once their child becomes a toddler, she wants to relocate to his hometown of Cincinnati, where they already own a home.