The Stronger singer was also seen in Fantasyland and Tomorrowland.This Disneyland sighting comes just before Kelly is set to return to American Idol on Thursday night.
The 33-year-old hit maker looked comfortable in black overalls over a yellow T-shirt that read New York City.
This day out comes just before her highly anticipated Thursday night live taping of American Idol.
Kelly Clarkson kept her burgeoning baby bump under wraps during a trip to Disneyland, wearing a pair of black jersey dungarees over a yellow New York T-shirt, accessorising her look with ballet flats and a trilby hat.
When it comes to maternity wear, comfort is the priority, but with so many of our favourite high street shops introducing maternity wear to their collections, it now couldn't be easier to stay stylish when expecting.
Three months ago: Clarkson announced on Twitter earlier this month that she is officially a singer-author.
The unexpected outburst from the Since U Been Gone singer, who announced on November 19 that she is pregnant, came after an unnamed woman told The that she had been illicitly dating Brandon Blackstock.
Kelly and Blackstock, whose stepmother is singer Reba Mc Entire, were married in a romantic country wedding at Blackwood Farms, Tennessee, on October 20.
Kelly Clarkson's pair are from Asos Maternity and are available online now by following the link on the right.
They also have a denim pair if you're after more typical dungarees (below).