Lena Dunham and Jimmy Fallon Compete in Lip-Sync Battle (Video)

Calvin Harris, Queen and Run-DMC were three artists whose musical numbers were performed during the battle.

Lena Dunham and Jimmy Fallon competed Friday night in a Tonight Show lip-sync battle, complete with sporty Nike gear.

Dunham came prepared with a Nike skort, jacket, workout shirt, tennis shoes and hoop, heart-shaped earrings.

Fallon began the battle in his suit by lip-syncing with a handheld mirror to the slow tune of Charlene's 1982 hit "I've Never Been to Me."

Dunham performed next with a lip-sync to Calvin Harris and Ellie Goudling's "Outside." The Girls star channeled her inner musician by embracing the ground on her knees and stomach while mimicking the words.

For Fallon's second song, the late-night host opted for Run-DMC's "Run's House," which he completed with a dropped microphone (which he caught): "I was going to drop the mic, but it's very expensive."

Dunham asked for help from the audience for her second song, Queen's "Fat Bottomed Girls," and encouraged viewers to sing along and clap.

Dunham took home the victory and Fallon exclaimed: "I can't beat Queen!"