| Heartbeat | |
| Border: | yes |
| Type: | single |
| Artist: | Nina Sky |
| Album: | Nicole and Natalie |
| Released: | June 14, 2012 |
| Recorded: | 2012 |
| Genre: | Electro-R&B |
| Length: | 4:20 |
| Label: | Independent |
| Chronology: | Nina Sky |
| Prev Title: | Day Dreaming |
| Prev Year: | 2012 |
| Next Title: | Comatose |
| Next Year: | 2012 |
"Heartbeat" is a song by American twins duo Nina Sky. It was released as a second single from their third studio album Nicole and Natalie on June 14, 2012. The song is released independently through their official website. Music video for the song is released on July 27, 2012, four days before the album's release. Later, Heartbeat: Remixes, a remix EP, was also released.
Its filming as started on May 26, 2012 when they put pictures of filming on Facebook. It was directed by Adam Sauermlich for the second time (he also has directed music video for the song "Day Dreaming"). Concerning the video, the band stated: "We knew we wanted it to be more about the feeling of the song and less about the story. The colors, environment, and everyone dancing in their own element creates this surreal feeling of freedom. It’s just about listening to the rhythm inside you and letting that rhythm guide you." On July 27 the music video was released. It features the sisters prancing through fields during a party with multi-colored smoke and dancing with many people.