<Tr> <Th_colspan="2"> Music video </Th> </Tr> <Tr> <Td_colspan="2"> "Poker Face" on YouTube </Td> </Tr> <P> "Poker Face" is a song by American singer Lady Gaga from her debut studio album, The Fame (2008). It was released on September 26, 2008 as the album's second single . "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 . The main idea behind the song is bisexuality and was a tribute by Gaga to her rock and roll boyfriends . The song's lyrics feature various sexual innuendos . </P> <P> "Poker Face" was acclaimed by most critics, who praised the robotic hook and the chorus . The song attained worldwide success, topping the charts in twenty countries including the United States, United Kingdom, Australia, New Zealand, Canada and many European countries . "Poker Face" is the best - selling single of 2009 worldwide, with over 9.5 million in sales . It is one of the best - selling singles of all time, having sold over 14 million copies . The accompanying music video for the song portrays Gaga singing it in various costumes and playing strip poker in a getaway villa . </P>

When did the song poker face come out