"IDGAF" (an abbreviation for "I Don't Give a Fuck") is a song by English singer Dua Lipa from her eponymous debut studio album (2017). It was released to contemporary hit radio in the United Kingdom on 12 January 2018 as the album's seventh single. The song reached number one on the Irish Singles Chart and number three on the UK Singles Chart, as well as number 54 on the Billboard Hot 100.

"IDGAF" runs for three minutes and 38 seconds. It features an acoustic guitar riff with heavy snare drums. According to the sheet music published at Musicnotes.com by Sony/ATV Music Publishing, "IDGAF" is written in the key of E minor. Lipa's vocals range between the notes D₃ and D₅. Natalie Maher of Billboard says that "she powerfully reminds her ex that she is most certainly not thinking about him".

The music video for "IDGAF" was directed by Henry Scholfield, with artistic direction by Scholfield and Mosaert (Stromae and Luc Junior Tam). The video premiered on 12 January 2018. It took 22 hours to shoot. According to Scholfield, the idea behind the video was to "embody the sense of empowerment in the track, whilst going beyond the literal breakup context". Lipa stated that the video is about "your stronger and weaker side fighting with each other only to realize that self-love is what will help you overcome any negativity that comes your way."

Adam@JRT explained the synopsis by saying, "The video has two Dua Lipas starring at the same time showing two versions of herself-one strong and professional (blue coats) and the other hip and weak (orange), and the music video is a constant battle among these two personas. However, in the end of the video these two versions become more cohesive as one person."

Lipa performed the song at the BBC Radio 1 Live Lounge in 2018 in Los Angeles, along with Charli XCX, Zara Larsson, Alma, and MØ. She has also performed the song at the Glastonbury Festival in 2017, and on The Ellen DeGeneres Show in March 2018.

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