Now That's What I Call Music! 73 (UK series)

'Now That's What I Call Music! 73 or Now! 73' is a double-disc compilation album which was released in Ireland on 17 July 2009, and in the United Kingdom on 20 July. The album is the 73rd edition of the (UK) original series. It was released on CD & Digital Download formats

Now 73 features eight songs which reached number one on the UK Singles Chart: "Poker Face", "Evacuate the Dancefloor", "When Love Takes Over", "I'm Not Alone", "Number 1", "Mama Do (Uh Oh, Uh Oh)", "Boom Boom Pow" and "Bonkers".

Disc one

 * 1) Lady GaGa : Poker Face
 * 2) Cascada : Evacuate the Dancefloor
 * 3) David Guetta feat. Kelly Rowland : When Love Takes Over
 * 4) Calvin Harris : I'm Not Alone
 * 5) Tinchy Stryder feat. N-Dubz : Number 1
 * 6) Pixie Lott : Mama Do (Uh Oh, Uh Oh)
 * 7) Black Eyed Peas : Boom Boom Pow
 * 8) Dizzee Rascal and Armand Van Helden : Bonkers

Disc two

 * 1) Lily Allen : Not Fair
 * 2) La Roux : In For the Kill
 * 3) A R Rahman : Jai Ho (You Are My Destiny)