In a photo released from the star's shoot, Lambert sports a fringed Michael Kors Collection dress with sequin detailing, a guitar strapped to the singer's body as she sways along with her dress.
The issue is covered by singer The Weeknd and models Adriana Lima and Irina Shayk. The Icons list also includes singer Courtney Love and models Karlie Kloss, Natasha Poly, Candice Swanepoel and Joan Smalls.
A video clip released of the selected icons features quick shots of the selected artists and models during their respective shoots.
The issue arrives on newsstands Aug. 22, and People shares that the magazine's fourth annual Icons event will take place on Sept. 8.
In other Lambert news, the star's single "Vice," from her recent double album The Weight of These Wings, has officially been certified platinum, the singer's Facebook page shared. Lambert is currently on tour promoting the album.
Photo Credit: Twitter / @harpersbazaarus