Kelly Clarkson got visibly emotional onstage just days before her ex-husband, Brandon Blackstock, tragically died following a private battle with cancer .

Page Six exclusively reported over the weekend that the “American Idol” alum had been fighting back tears during her performance in Las Vegas on July 26.

Now, a resurfaced video — originally shared via TikTok last month — shows Clarkson wiping away tears as she introduced “Piece by Piece” in Sin City. At one point, the 43-year-old singer joked to her Las Vegas Studio Session residency attendees about the magic of “compartmentalization.”

@modestishottest4u

I love how raw and real she is. What a phenomenal performance she put on for us. #kellyclarkson #lasvegas #cesarspalace #piecebypiece #studiosessions #kellyclar

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