Hjelt and her singing partner, Aino Jawo, are currently the opening act for One Direction as they make their away across the U.S. on the guys' On the Road Again 2015 tour. Tomlinson is expecting a baby with 23-year-old hairstylist Briana Jungwirth, Billboard confirmed Tuesday.
"We don't have time for kids," Jawo says, laughing. "We borrow kids."
Hear Icona Pop's Jazzy New Single 'Emergency'
Icona Pop, best known for their dance hit "I Love It," said they are enjoying touring with 1D and will continue playing on the tour until early August.
"We will be the nannies on tour," Hjelt says. "Best wishes for him."
Stay tuned to Billboard.com for more from Icona Pop in the coming days.