Rick Diamond, Getty Images for IEBA
The Texas native then decided to pay tribute to the superstar Monday night (Feb. 13) during a St. Jude Benefit show for radio station KMLE in Phoenix, Ariz. (Watch footage of her performance below.) She was greeted with praise from the audience when her performance of her current single, 'Scream,' led into the late vocalists' most popular song, the Dolly Parton-penned 'I Will Always Love You.'
Watch Katie's 'Scream' 'I Will Always Love You' Mashup




Billboard Music Awards Red Carpet 2012 (PHOTOS)
Peter Jones Dead: Crowded House Drummer Dies of Brain Cancer at 45
Jennifer Lopez, Casper Smart TV Show: J.Lo to Star in Reality Series With Boyfriend (REPORT)
Miranda Lambert, W Magazine Interview: Songstress Talks Marriage, Touring and Taylor
Loretta Lynn Three Years Older Than She Claims: Records Show She's 80, Not 77
Eddie Blazonczyk Dead: Grammy Award-Winning 'Polka King' Dies at 70
Selena Gomez Earthquake: Singer Caught Up in 'Scary' Bulgaria Quake
Usher, Tameka Foster Trial: Crooner Claims Ex-Wife Attacked, Spat on Girlfriend
George Jones in Nashville Area Hospital Undergoing Tests
Chris Brown Fans Send Death Threats to John Legend's Fiancee Chrissy Teigen
