"Mistakes" is the third single released from Irish singer Brian McFadden's third studio album, Wall of Soundz. The song was written by McFadden and Jez Azhurst, and was produced by McFadden and Robert Conley. The single was released on 17 September 2010 and features McFadden's then fiancé, Delta Goodrem.
Filmed in Sydney during August 2010, the video for the song was directed by Dan Reisinger and is based on the film Mr. & Mrs. Smith. The video starts off with a romantic dinner that triggers an explosive domestic dispute. Throughout the rest of the video, Goodrem is seen throwing a glass of red wine, aiming at McFadden's forehead and starts bleeding. She also throws his watch in a blender and smashes one of his platinum discs. She then uses the disc to slice his guitar while he retaliates by using the chainsaw to turn Goodrem's piano into firewood. McFadden is also seen putting Goodrem's teddy bear in the microwave to see how long it takes to heat it up, until it blows up the kitchen.