Gnarls Barkley's hit Crazy has become the first single for 12 years to spend eight weeks at the top of the UK singles chart.
Gnarls Barkley first went to number one on digital sales alone
The last track to stay on top for eight weeks was Wet Wet Wet's Love Is All Around - which went on to spend 15 weeks at number one in 1994.
US hip-hop duo Gnarls Barkley have now become the 20th act to spend at least two months at number one.
The Beatles, Cliff Richard, Madonna and Elton John have not achieved the feat.
Gnarls Barkley first went to number one on digital sales alone, but have since continued their run thanks to combined CD and download sales.
Gnarls Barkley are producer Danger Mouse (real name Brian Burton) - who produced the Gorillaz album Demon Days - and vocalist Cee-Lo Green.
UK TOP FIVE SINGLES
1. Gnarls Barkley - Crazy
2. Infernal - From Paris To Berlin
3. LL Cool J ft Jennifer Lopez - Control Myself
4. Christina Milian and Young Jeezy - Say I
5. Beatfreakz - Somebody's Watching Me
Source: Official UK Charts Company
They held off a challenge from dance track From Paris To Berlin by Infernal, which moved up one place to number two.
LL Cool J featuring Jennifer Lopez dropped a place to number three with their song Control Myself.
Christina Milian and Young Jeezy jumped to number four, with Beatfreakz at five and Busta Rhymes at six.
The highest new entry was I Wish I Was a Punk Rocker by Sandi Thom at number 15.
She got a record deal after webcasting gigs from her living room, claiming global audiences of more than 100,000.
In the album chart, the Red Hot Chili Peppers stayed on top for a second week with Stadium Arcadium.
The Raconteurs - the new band featuring Jack White of The White Stripes - entered at number two, followed by Feeder's The Singles at three.