Kelly Clarkson Is Victorious on Christina Aguilera’s ‘Fighter’

What Britney Spears Wrote About Christina Aguilera in Her Memoir, Including a Time She Was Jealous of Her (& 1 Notable Spot She Was Not Mentioned)

Kelly Clarkson Proves She’s a ‘Fighter’ With Christina Aguilera Cover

Kelly Clarkson Extends Vegas Residency for New Year’s Eve, Super Bowl Weekend