|Ashton Kutcher & Mila Kunis in Los Angeles on Saturday|
The "Black Swan" actress, 29, stepped out with beau Ashton Kutcher Saturday, and though the pair kept things casual in jeans and T-shirts, it was the slightly taut nature of Kunis' tank top that drew speculation of a baby-to-be.
Just one day earlier, the pair strolled through North Hollywood for an ice cream date, with the actress donning workout clothes and a looser black hoodie.
Kutcher, 34, and his former "That 70s Show" costar are masters of keeping things under wraps, having denied rumors that the pair was dating earlier this year even as they spent time together shopping for furniture or riding motorcycles.
"It's absurd," Kunis told Extra of reports back in April, addressing rumors that the two were dating. "A friend is a friend."
The two were first snapped smooching at a wrap party for Kutcher's latest film, "Jobs," in July.
In recent weeks, however, once the cat was out of the bag, the happy couple have been spotted around both New York City and Los Angeles loving it up by holding hands and kissing in public places.
The pair's recent talk - separately, of course - about one day having a family has only added fuel to the fire.
"I do want a family," Kunis told Glamour magazine earlier this year. "I'd rather be in love and have a baby than a movie."