Bridgit Mendler: Polka Dot Lip Print Tank

Bridgit Mendler live at the Dubuque County Fair July 23rd, 2013 – photo: bridgitmendlerfrance.net
Bridgit Mendler performed at the Dubuque County Fair in Iowa the other day wearing a Nasty Gal Dot Kiss Muscle Tee ($38.00).
what store is that from?