Katy Perry is in awe of Kelly Clarkson. The "Roar" singer took to Instagram to respond to Clarkson -- who covered Perry's 2012 hit, "Wide Awake," during an episode of The Kelly Clarkson Show.

After Clarkson, 41, shared a powerful rendition of Katy Perry's 2012 smash hit "Wide Awake" for The Kelly Clarkson Show's Kellyoke segment earlier this week, Perry made sure to chime in.

Katy Perry is probably wide awake thinking about Kelly Clarkson’s recent cover of one of her popular songs. The “Roar” singer took to Instagram earlier this week to respond to Clarkson ...

Kelly Clarkson‘s "Wide Awake" cover made quite the impression on Katy Perry. The Kelly Clarkson Show host performed Perry‘s 2012 hit, stripping it down to just piano and vocals, for a segment ...

Related: Katy Perry reacts to Kelly Clarkson covering her song 'Wide Awake': 'I can never sing that again' "For the ladies present today, congratulations on an amazing accomplishment. You should ...

Katy Perry is not holding back as she prepares ... personal album ever four years after her last release. Now, the Wide Awake hitmaker is dishing on how her distance from the industry, and ...