'Poker Face' is the best-selling single of 2009 worldwide, with over 9.5 million in sales that year. The song attained worldwide success, topping the charts in 20 countries including the United States, the United Kingdom, Australia, New Zealand, Canada and many European countries. 'Poker Face' was acclaimed by most critics, who praised the song's robotic hook and chorus. The song's lyrics feature various sexual innuendos.
The main idea behind the song is bisexuality and was a tribute by Gaga to her rock and roll boyfriends. 'Poker Face' is a synth-pop song in the key of G♯ minor, following in the footsteps of her previous single 'Just Dance', but with a darker musical tone. It was released on September 26, 2008, as the album's second single. 'Poker Face' is a song by American singer Lady Gaga from her debut studio album, The Fame (2008).