November 26, 2013 10:00 AM

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For expectant Kelly Clarkson, morning sickness is a cruel term.

“I don’t know why they call it morning sickness, that’s my big joke right now,” she tells Savannah Guthrie on Today Tuesday. “It’s like all day and all night.”

Clarkson, who was on the show promoting her new Christmas album, Wrapped in Red, couldn’t bother pretending when Guthrie asked the singer if she’s feeling well.

“Nope,” she said with a laugh.

“But I am super-excited about being pregnant,” she added a few moments later. “I’m just looking forward to the second trimester.”

The American Idol winner shared her pregnancy news last Tuesday on Twitter, just a month after she tied the knot with Brandon Blackstock.

Clarkson, 31, admitted she made the announcement before she might have been ready, but the morning sickness motivated her to move up the big reveal.

“We were trying to wait until the end of my first trimester … but everybody kept talking about it and I had to cancel something because I’ve been so ill. I didn’t want people to think I was canceling and I’m lazy or something, so we just told people,” she said.

The “Because of You” singer has been very open about their desire to have a baby, and on Tuesday she made it clear that this pregnancy was no accident. She’s apparently educated herself so much on baby-making that she has a scientifically-based hunch that this baby-to-be is a girl.

“Scientifically, they say if [you get pregnant] after you ovulate, girl sperm lasts longer than boy sperm, at least that’s what my doctor told me, and I guess mine was late.”

“It’s a gut feeling, too,” she added. “Because she’s killing me, and of course it’s a girl causing the trouble.”

Even if she is wrong, she and Blackstock are covered in one area: baby names.

“We already have a name for girl or boy,” she said. “We’re not saying because I don’t want anybody stealing my baby name.”

“We named our kid before we were even pregnant!” she added.

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