People.com Halloween Party

Stars Dressing Up as Stars

From Miley Cyrus as Lil' Kim to Queen Latifah as Oprah, see which celebs are channeling their A-List peers this holiday

ELLEN DEGENERES: NICKI MINAJ

After hiding behind her book--lantern on Oct. 30, the daytime talk host let it all hang out on her Oct. 31 Halloween show, showing off her "boom booms" and her "super bass" as the voluptuous rap star.