Beyonce: Changing Blue Ivy’s Diapers Is “So Beautiful”

Beyonce carrying daughter Blue Ivy in the South of France on September 8, 2012.

Beyonce is crazy in love with motherhood — even diaper duty!

In a new interview with Anderson Cooper on the season premiere of Anderson Live, airing Monday, the 31-year-old singer gushes about life at home with daughter Blue Ivy, 9 months, and husband Jay-Z.

"I love changing diapers," the Grammy winner reveals. "I love it. I love every moment of it, it's so beautiful. I love it all!"

And her husband of four years Jay-Z (real name: Shawn Carter), 43, is in on the act as well. "Actually, he is very good," she explained of the rapper's diaper skills. "We both [change diapers]."

And little Blue has no clue that her mom is global superstar. "I'm mommy, and when [Blue] sees me, today was the first time she saw me perform in rehearsal, she was very confused," admitted Beyonce, who has given a handful of concerts and performances since giving birth in January.

Not that Blue hasn't heard her mom's golden singing voice.

To get Blue into slumberland, Beyonce sings plenty of lullabies — but not necessarily her own hit ballads like "Halo." "I make up actually a lot of crazy, corny songs," she says.

Beyonce, Jay-Z and Blue have spent the past week in the South of France, where the family celebrated the new mom's 31st birthday.

Sign up now for the Us Weekly newsletter to get breaking celebrity news, hot pics and more delivered straight to your inbox!

Want stories like these delivered straight to your phone? Download the Us Weekly iPhone app now!