Katie, who plays Sinead Tinker in the ITV soap, posted the pictures to her Instagram page.
Katie captioned the post: "Now I've got battery back on my communication device expect lots of @officialrandl spam, thanks @hairarvina for my peachy wig #randl2019."
Fans were quick to comment on the post.
One wrote: "Nice boots."
A second commented: "Looking good x."
Another added: "Peachy hair really suits you hun xxx."
Katie also shared pictures with her co-star Alexandra, who plays Emma Brooker.
The pair appeared to enjoy their time at the festival with their friends.
Katie joined Corrie in 2013 as Beth Sutherland's niece Sinead.
Beth decided to set Sinead up with her boyfriend Kirk's friend, Chesney Brown.
Coronation Street airs on Mondays, Wednesdays and Fridays at 7.30pm and 8.30pm on ITV.
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