"This Love" is a dance-rock song written by Toby Gad and at that time-unknown pop singer Kesha, produced by Gad for The Veronicas second album Hook Me Up (2007). It was released as the album's third single in Australia as a digital download on 30 March 2008 and CD single 14 April 2008.

Its lyrics describe a long distance relationship, and how they won't give up on the relationship and love while they're apart from each other. The song became a top ten hit in Australia and top twenty hit in New Zealand, peaking at number ten and fourteen respectively. Allmusic calls "This Love" "an utterly charming dance-rock confection that, in its last minute, abruptly unleashes a euphoric synthesizer countermelody whose nod to a-ha's 'Take on Me' is unmissable." The song is synth based with an 808 based drum beat.

The music video for the song was filmed at the The Storrier in Potts Point, Australia and took one week to film various scenes around Sydney. The video premiered on Australian music channels on 25 March 2008. It features two males playing each of The Veronicas partners, including ex-Australian Idol contestant Dean Geyer as one of them (Lisa Origliasso's partner, whom she was also dating at the time). The Veronicas state that they included their real life boyfriends in the video to show a more real side to their relationships.

"This Love" had commercial success in Australia and New Zealand. In late-April 2008 it debuted at number fourteen on the Australian ARIA Singles Chart. On its fifth week on the chart at peaked at number ten and went to spend five months on the chart. The Australian Recording Industry Association awarded the single a gold certification for shipping 35,000 copies. In New Zealand, the single debuted at number thirty-seven on the New Zealand RIANZ Singles Chart, and went to peak at number fourteen, spending a total of fourteen weeks on the chart.

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