"In and Out of Love" is a collaboration between Dutch DJ and record producer Armin van Buuren and Dutch singer and songwriter Sharon den Adel from the band Within Temptation.

It was released on 6 August 2008 as the second single from van Buuren's third studio album, Imagine.

[3] As of September 7, 2024, the single has more than 314.27 million views for its official music video on YouTube, making it the second most viewed video on Armada Music's YouTube channel.

[4][5] In January 2016, the song was sampled on British rapper Dave's single, "JKYL+HYD".

[6] In 2019, the song was covered by Visions of Atlantis on the album, Wanderers.