Maureen Callahan is a US writer and editor for the New York Post covering pop culture including fashion, the music industry, and subcultures of New York City. She has also written about politics, and is Irish-American. Callahan has also written for Sassy, Spin, New York magazine, MTV, and Vanity Fair. She authored Champagne Supernovas: Kate Moss, Marc Jacobs, Alexander McQueen, and the '90s Renegades Who Remade Fashion (Simon and Shuster), a 2014 non-fiction account of the fashion industry and Poker Face: The Rise and Rise of Lady Gaga (Hachette Books) in 2010. She grew up on Long Island and lives in Brooklyn.