Kelly Clarkson reveals 'Underneath the Tree' as her fastest-written song. Collaborating with Greg Kurstin, she completed it ...

Singer-songwriter Kelly Clarkson shared which song she has written the fastest from her 23-year career as a recording artist ...

Kelly Clarkson, 43, walked down her memory lane and talked about the 'quickest' song she has ever written. During one of her ...

Kelly Clarkson reveals her fastest-written song is her Christmas hit "Underneath the Tree," completed before her sushi arrived.

Kelly Clarkson said one of her most beloved holiday hits came together in record time — faster than her sushi arrived.

Kelly Clarkson usually "takes forever" to write a song, but, in 2013, the stars aligned, and she wrote a hit in record time!