Pop divas Beyonce and Shakira have topped the UK singles chart with their duet Beautiful Liar.
The US and Colombian singers both had number one singles last year
Last week's number one, Timbaland's Give It To Me, fell to three, while Arctic Monkeys' Brianstorm leapt from 11 to number two.
Avril Lavigne's single Girlfriend was at four, while the Canadian singer's third album, The Best Damn Thing, entered the albums chart at number one.
Mark Ronson's Stop Me completed the singles top five.
The New York-based producer's album Version, which features performances by Amy Winehouse and Lily Allen, debuted at number two.
Nine Inch Nails' Year Zero was a new entry at six in the albums chart.
Arctic Monkeys' highly-anticipated second album Favourite Worst Nightmare, from which Brianstorm is the first single, goes on sale on Monday.
UK TOP FIVE SINGLES
1. Beautiful Liar - Beyonce & Shakira
2. Brianstorm - Arctic Monkeys
3. Give It To Me - Timbaland/Furtado/Timberlake
4. Girlfriend - Avril Lavigne
5. Stop Me - Mark Ronson ft D Merriweather
Source: Official UK Charts Company
Beautiful Liar is taken from Beyonce's Grammy-winning second solo album B'Day.
The song Deja Vu from the album hit number one in the UK last August, ending the three-week reign of Shakira's Hips Don't Lie.