The expecting star and her hunky hubby star together in an adorable Samsung holiday commercial -- where the actress' baby bump takes center stage.
In the ad, the "Parenthood" actor and the "House of Lies" star emulate their real life and sport matching Christmas ensembles as they prep their home for the holidays.
"Why is yours twice as big as mine?" Dax asks about his wife's festive stocking. "I'm stocking for two," she replies.
"It would feel like a lie to pretend she doesn't have an extra foot-and-a-half protruding from her abdomen," he teases. Check out the cute clip below!
With Baby #2 on the way, Bell's growing belly takes center stage in real life too.
"We goof off and make a lot of jokes about it in our household and I think that's what keeps it fun and light," she told People about her baby bump. "Pregnancy is certainly a weird and strange metamorphosis."
The pair is already parents to 20-month-old daugter, Lincoln. So, are they ready to handle the demands of a newborn and a toddler?
"I think we'll probably get through it just like everybody else does, which is we'll put it together day by day," Bell explained with a laugh. "We were told to pick up the oldest first if both are crying," Shepard joked.
"It seems like a smart piece of advice," Kristen added. "Since no one is imprinting memories of how you're treating [Lincoln] already and the newborn doesn't really know who's holding them."
"We know the first one is great so we don't want to ruin the first one," Dax continued. "We'd rather roll the dice on the second one."