Alyson Hannigan feels that she has ballooned exponentially in her third trimester.

The 38-year-old American Reunion actress announced that she is expecting her second child with husband Alexis Denisof late last year.

Alyson is due in June and people everywhere are calling attention to her physical state.

"The last couple of times I've been at stores, people have been like, 'Oh you're ready to pop, right?' " Alyson shared on The Rachael Ray Show. "I'm like, 'Actually I have a couple more months.' Somebody said, 'You're sure there's not two?' I keep asking my doctor the same thing."

Alyson and her husband had very different approaches this time around when it came to learning the baby's gender.

"I want all of the information," she explained. "My husband [Alexis] is like, Let's not tell the world yet.' "

Alyson and Alexis share three-year-old daughter Satyana together.

The actress is amazed by the wonders of genetics.

"I see parts of me [in her]," Alyson said. "I definitely see so many similarities. The books that I loved, she loves."

Alyson absolutely relishes the moments she shares with her adorable tyke.

"She's so cute," Alyson gushed. "The outfits she chooses are hilarious. She'll just put on a dress and then say, 'I want a purple tutu,' and then she'll put that over the dress."

Alyson's full interview airs on The Rachael Ray Show Friday.

The star's new film American Reunion is released in US theatres this weekend.