United Kingdom, March 27 -- Kelly Clarkson has to "keep in" a lot of frustration about co-parenting.

The 42-year-old singer - who has River, 10, and Remy, eight, with ex-husband Brandon Blackstock - gets annoyed by double standards when it comes to working mothers and fathers and the different expectations of each.

Speaking to Kylie Kelce on her 'Not Gonna Lie' podcast, Kelly said: "It's funny though how different it is because even from a young age, like we didn't teach them [that].

"Just innately, you're like, 'He's allowed to be somewhere, but you're not.' Like, that is real interesting.

"There's a lot that I keep in because...co-parenting is fun. It's like, 'Oh, he couldn't come because this,' and I'm like, 'Okay, cool.' Do you th...