- This article describes the 19th album in the New Zealand Now! series. It should not be confused with identically-numbered albums from other Now! series. For more information, see Now That's What I Call Music! 19 and Now That's What I Call Music! discography
Now That's What I Call Music 19 or Now 19 was released in 2005. The album is the 19th edition of the (New Zealand]) Now! series. All but one of the tracks on the album reached peak positions within the top twenty in New Zealand. The compilation features four New Zealand number-one hits: Pussycat Dolls' - "Don't Cha", Rihanna's - Pon de Replay, Crazy Frog's - "Popcorn" and Mattafix's - "Big City Life".
- Rihanna : "Pon de Replay"
- Pussycat Dolls featuring Busta Rhymes : "Don’t Cha"
- Gwen Stefani : "Hollaback Girl"
- The Black Eyed Peas : "Don't Lie"
- Akon : "Belly Dancer (Bananza)"
- Gorillaz featuring Shaun Ryder : "Dare"
- Crazy Frog : "Popcorn"
- Jessica Simpson : "These Boots Are Made for Walkin'"
- Kelly Clarkson : "Because of You"
- Bow Wow featuring Omarion : "Let Me Hold You"
- Savage featuring Aaradhna : "They Don't Know"
- 2Pac featuring Elton John : "Ghetto Gospel"
- Mattafix : "Big City Life"
- Pluto : "Long White Cross"
- Rooster : "Come Get Some"
- Elemeno P : "11:57"
- Rogue Traders : "Voodoo Child"
- End of Fashion : "O Yeah"