Jason Sudeikis says his second child has a lot to live up to.
Olivia Wilde announced on Monday that the couple is expecting baby No. 2. ET recently caught up with Sudeikis at the Mother's Day junket on April 10, and he said he was ready for more kids -- but it's going to be tough to top their son, Otis.
"I think a lot of it has to do with being with the right person, but also I think we did a humdinger of a job on the one we got," Sudeikis, 40, told ET's Kevin Frazier. "He is very cute and he's very, very fun and smart. It's been fun getting to know him."
"I assume that'll keep up for at least another--we'll check in every five years," Sudeikis joked.
"I think they lose their charm around seven or eight," co-star Jennifer Aniston chimed in with a laugh. "Then they just get dull for about a year or two. And then they perk it up, they entertain you again."
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Otis turns two on Wednesday and Wilde previously revealed that he wants a Beyoncé-themed birthday party. "His love for Beyoncé has really hit a fever pitch, and I approve of course, but it's intense," the 32-year-old actress told Ellen DeGeneres. "He is absolutely in love with her."
Sudeikis confirms his son's love for -- as Otis calls her -- "Beyoncé boobies."
"Yeah, yeah, yeah. Which makes him human," he explained. "Literally, he enjoys watching her perform. He loves her songs. You put it on the Sonos or just watching videos. We were thinking about it recently, like, he in utero, in the womb, saw or heard Kanye [West] and Kendrick Lamar, Jay Z, Arcade Fire...His water broke at a Jon Batiste [concert]."
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Wilde previously opened up to ET about how amazing Otis is at the UNITE4:HUMANITY event, gushing that she won "the life lottery."
"I'm just everyday more grateful and realizing how I have completely won the life lottery," the Vinyl star said. "It's just so clear to me at every stage of his growth, and my own growth as a mother."
Hear more of what she had to say in the video below.