atop the US Billboard World Digital Songs Chart, giving Blackpink their seventh chart-topper on the chart following their single "How You Like That". In South Korea, the song debuted at number 28 on the Gaon Digital Chart on the week ending October 3, 2020, with less than two days of tracking. It rose to number two and peaked the following week; Blackpink's second track to do so, following "Kill This Love" in 2019. This marked their sixth top two hit, their seventh top three hit, and their eleventh top ten entry in the country. The single was the third best-performing song of October, peaking at number three on the Gaon Monthly Chart the same month. The song broke the record for the longest-charting girl group song in the top ten of the Gaon Digital Chart with 22 weeks, beating out the 17 weeks spent by "Cheer Up" by Twice and "Tell Me" by the Wonder Girls. "Lovesick Girls" went on to spend 22 weeks inside the top 10 and 65 weeks in the top 100 of the chart. Elsewhere, the song debuted atop the national RIM Charts and RIAS of Malaysia and Singapore, respectively. In Europe, "Lovesick Girls" charted at number 76 in the Czech Republic, 38 in Hungary, 39 in Ireland, 23 in Portugal, 37 in Scotland and 78 in Slovakia. It reached number 40 on the UK Singles Chart. It was also commercially successful in Oceania, peaking at number 27 in Australia and 35 in New Zealand. Music video Background and synopsis The accompanying music video was released alongside the song. On September 30, the group released a 16-second teaser of the song and music video on their official YouTube channel. Blackpink broke their own personal record by surpassing 10 million views for the music video in less than 52 minutes (the group's previous record with their song "Ice Cream" surpassed 10 million views in two hours and 55 minutes). It surpassed 50 million views in only 18 hours since its release. It garnered 61.4 million views in its first 24 hours, making it the sixth most-viewed youtube video in 24 hours for a music video at the time. On April 18, the music video hit 400 million views. The behind the scenes video was uploaded a day after the music video on October 3, 2020. The dance practice video was uploaded on October 8, 2020. The video