"As If It's Your Last" (Korean: 마지막처럼) is a 2017 single by South Korean girl group Black Pink, released on June 22, 2017 by YG Entertainment and distributed by Genie Music.

The song was a commercial success, topping Billboard's World Digital Songs and peaking at number 3 on the Gaon Digital Chart.

As early as mid-May 2017, YG Entertainment officials had confirmed that Black Pink were working toward a June comeback, and on June 5 it was revealed that Black Pink would be filming the music video for the new single during that week. On the same day, YG Entertainment's CEO Yang Hyun-suk released a photo of Black Pink on the filming location of the new music video, confirming that Black Pink would make a June comeback, which is 7 months after the group's last release Square Two with the songs "Playing with Fire" and "Stay" in November 2016. The next day on June 6 it was announced that Black Pink would likely release the new song between June 15 and June 20.

On June 13, 2017, YG Entertainment revealed a teaser of the new single and confirmed the release date to be June 22. Subsequently, from June 16 to June 18 each of Black Pink's members' individual teaser was released. On June 19, the title of the single was revealed to be "As If It's Your Last" (Korean: 마지막처럼), and the time of the new release was confirmed to be 6 pm KST on June 22. It was further explained that this song would be a surprise for fans while Black Pink prepares for Square Three, the next release in the Square series after Square Two and Square One.

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