AMERICAN IDOL XIV: Katherine Winston performs at House of Blues for the IDOL SHOWCASE airing Wednesday, Feb. 18 (8:00-9:01 PM ET/PT) and Thursday, Feb. 19 (8:00-9:00 PM ET/PT). CR: Michael Becker / FOX. © 2015 FOX Broadcasting.
Katherine Winston performs
![Katherine Winston performs](https://americanidolnet.com/wp-content/uploads/2015/02/american-idol-2015-showcase-katherine-winston-01.jpg)