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Kelly Clarkson

MPNC/AKM-GSI

As Taylor Swift grows her celebrity squad with guest appearances and duets on her tour, Kelly Clarkson continues to wow her crowds with flawless solo covers of many stars' hit songs.

At her concert at the Ak-Chin Pavilion in Phoenix, Ariz., on Tuesday, the latter star performed Selena Gomez's haunting ballad of gut-wrenching heartbreak, "The Heart Wants What It Wants."

Clarkson, who is pregnant with her second child with husband Brandon Blackstock, captured the emotion behind the song perfectly and delivered a beautiful, raw performance.

The songs the singer covers during her 2015 Piece by Piece tour are suggested by fans. Over the past few weeks, Clarkson has performed tracks such as Miley Cyrus' "Wrecking Ball,"Demi Lovato's "Cool for the Summer," 'N Sync's "Bye Bye Bye," Maroon 5's "Sunday Morning," Madonna's ballad "Take a Bow," Lana Del Rey's "Off to the Races" and "Bang Bang" by Jessie JAriana Grande and Nicki Minaj.