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Kelly Clarkson, Angelica

CAROLINA ELIAS JOOS

As if we needed another reason to love Kelly Clarkson.

The 33-year-old singer, who is pregnant with her second child, had a meet and greet with a fan with Down Syndrome after her concert in Phoenix, Ariz., where their heartwarming encounter touched everyone who witnessed the special moment. 

Carolina Elias Joos tells E! News that she attended Clarkson's show with her sister, 19-year-old Angelica Elias, who has Down Syndrome. When it was Angelica's turn to meet Kelly, Joos says her sibling gave the singer a big hug before saying "hi baby" to Kelly's belly. 

"That's the baby in there! Say hi!" Clarkson replied, at which point Angelica blew her baby bump a kiss. Too cute!

PHOTOS: Check out the cutest pics of Kelly Clarkson's daughter!

Angelica then asked Clarkson to sing her favorite song "Silent Night" with her, and the two performed a sweet duet in the 100 degree heat (the meet and greet was held outside! 

At one point, Kelly stopped to quietly say "I'm totally going to cry" but she makes it through the tune and gives Angelica a big hug when they finish. 

After singing, Joos says Clarkson had happy tears in her eyes, adding that those who witnessed the moment said it made the 100 degree weather feel a little bit cooler. 

PHOTOS: Look back at Kelly's baby bump!

Kelly Clarkson, Angelica

CAROLINA ELIAS JOOS

The American Idol winner is currently on the road for her Piece by Piece tour. At her Phoenix concert on Tuesday, the soon-to-be mother of two covered Selena Gomez's hit "Good For You." 

She also made an impromptu pregnancy announcement during her Los Angeles concert at Staples Center last week. 

"I would like to apologize to my husband," she told the crowd, referring to her man Brandon Blackstock. "This was not planned. I'm just so hormonal. Everything is great, I haven't vomited yet. That's a win y'all."

—Reporting by Brett Malec

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