"Fancy" is a song by Australian rapper Iggy Azalea, featuring British singer Charli XCX. It was released in 2014 as the lead single from Iggy Azalea's debut studio album, "The New Classic."

"Fancy" is an upbeat and catchy hip-hop and pop-rap track with elements of electro-hop. The song's infectious chorus, along with Iggy Azalea's confident and rapid-fire delivery, contributed to its commercial success and widespread popularity.

The song was written by Iggy Azalea, Charli XCX, and Kurtis McKenzie, with production by The Invisible Men (a production team consisting of Jason Pebworth, George Astasio, and Jon Shave) and The Arcade (a production duo consisting of Kurtis McKenzie and Jonathan Mills).

Lyrically, "Fancy" celebrates living a lavish and glamorous lifestyle, with Iggy Azalea expressing her desire for the finer things in life. The song's chorus, "I'm so fancy, you already know / I'm in the fast lane from L.A. to Tokyo," highlights her self-assured and unapologetic attitude.

Upon its release, "Fancy" received critical acclaim and became a commercial success. The song topped the Billboard Hot 100 chart in the United States, making Iggy Azalea the fourth female rapper to achieve this feat.

The music video for "Fancy" pays homage to the 1995 cult film "Clueless." It recreates iconic scenes and fashion from the movie, with Iggy Azalea portraying the character Cher Horowitz, and Charli XCX as Tai Frasier. The video's nostalgic and fun visuals added to the song's appeal.

"Fancy" became one of the biggest hits of 2014 and received numerous award nominations and accolades. It further solidified Iggy Azalea's position as a prominent figure in the hip-hop and pop music scenes.

Overall, "Fancy" is regarded as one of Iggy Azalea's signature songs and continues to be a favorite among fans of hip-hop and pop music. Its infectious beat, catchy chorus, and memorable music video have made it a standout track in Iggy Azalea's discography.