Michael Becker / FOXForget Adam Lambert and Kris Allen. Last night's American Idol was owned by Lady Gaga .
The NYC electro-popster electrified the stage last night with "Poker Face"—and then celebrated this morning with her second straight No. 1, becoming the first female artist in nearly a decade to land her debut singles atop the Hot 100.
The spitfire, pants-eschewing singer, whose real name is Stefani Germanotta, previously spent three weeks at No. 1 in January with "Just Dance."
Christina Aguilera was the last artist to accomplish this feat with her first two singles, "Genie in a Bottle" and "What a Girl Wants" back in 1999.
Among female artists over the past quarter century, only four scored successive No. 1s with their debut singles. Tiffany ("I Think We're Alone Now" and "Could've Been"), Mariah Carey (who incredibly scored five straight chart-toppers before 1991's "Can't Let Go" peaked at No. 2), Xtina and now Gaga.
In other Hot 100 news, Hannah Montana's "Let's Get Crazy" is the week's top debut at No. 57 followed by a No. 87 debut for her Taylor Swift cowritten "You'll Always Find Your Way Back Home." Swift's own Hannah Montana: The Movie song "Crazier" also cracked the chart at No. 72, giving the soundtrack three debuts for the week.
As for Miley Cyrus, the Disney star also claims the No. 8 spot with "The Climb," giving the Hannah Montana star three Hot 100 singles between her two personas.