"I don't know where she finds the energy," he said. "I'm a tired guy all the time, and obviously having a newborn makes you more tired. Barbara's just up and in super mom mode, and now she's walking the show. I'm like, 'Where does it come from?'"

"Some people are just better than other people," he posited. "I'm extremely proud of my wife. I'm excited to see what happens."

Sprouse proved he was Palvin's biggest fan, cheering her on as she stepped out in a baby-pink lace dress during Megan Moroney's performance of "Am I Okay?"

After Sprouse and Palvin welcomed Sylvie, he reflected on what it's really like to parent a newborn.

"Ninety percent of the time right now, it's like having a baby pet monkey," he teased on his Wildmen podcast in September. "It is having a pet monkey because she is chirping and making noises and pooping and farting and burping and hiccuping. It's like having a really poopy little animal."

And he was so thrilled to be a girl dad. As he put it, "I did not expect to like this as much as I do, dressing her up in little fits, dude. She's so cute."

Now, to see all the celebs at the 2026 Victoria's Secret Fashion Show, keep reading.

—Reporting by Lauren Herbert