The 31-year-old 'People Like Us' hitmaker, who recently tied the knot with Brandon Blackstock, said she wants babies desperately, reported E! online.
"I want babies! Everybody keeps saying, 'What do you want for Christmas?' And I'm like, 'I want to be pregnant'. Blackstock is all excited about all the practice." she said.
Meanwhile, Clarkson is enjoying with Blackstock's children 11-year-old Savannah and seven-year-old Seth from his previous marriage.
"They're awesome. I'm in a great situation. I really lucked out with the whole kids situation. They're amazing.