Karmin: The Grove Summer Concert Series!

Amy Heidemann hits the stage during Karmin‘s free show as part of The Grove’s Summer Concert Series on Wednesday (August 1) in Los Angeles.

“Getting ready for our performance tonight at @TheGroveLA with @JordinSparks!!,” the 25-year-old singer tweeted. “If ur in LA come by for the FREE show.”

Karmin has made it to the finals of Rolling Stone‘s Women Who Rock issue contest. The ultimate winner will appear on the cover of the special issue – Vote for Amy now!

10+ pictures inside of Karmin performing at The Grove…