Coldplay and Duffy have both been nominated for four BRIT Awards.
The pair will go head-to-head with each other in the Best Album and Best Single categories.
Elbow, Adele, Radiohead and The Ting Tings were were also amoung the nominees announced at a ceremony in London tonight (January 20th).
The BRIT Awards ceremony, on February 18th, will be hosted by Kylie Minogue, and the Gavin and Stacey actors James Corden and Mathew Horne.
Kings Of Leon, Duffy and U2 are among the acts scheduled to perform at the event.
The full list of nominees is as follows:
Best British male
Ian Brown
James Morrison
Paul Weller
Will Young
Best British female
Adele
Beth Rowley
Duffy
Estelle
MIA
Best British group
Coldplay
Elbow
Girls Aloud
Radiohead
Take That
Best British live act
Coldplay
Elbow
Iron Maiden
Scouting For Girls
The Verve
Best British single
Adele - 'Chasing Pavements'
Alexandra Burke - 'Hallelujah'
Coldplay - 'Viva La Vida'
Dizzee Rascal/Calvin Harris/Chrome - 'Dance Wiv Me'
Duffy - 'Mercy'
Estelle Ft Kanye West - 'American Boy'
Girls Aloud - 'The Promise'
Leona Lewis - 'Better in Time'
Scouting for Girls - 'Heartbeat'
X Factor Finalists - 'Hero'
Best British Album
Coldplay - 'Viva La Vida or Death And All His Friends'
Duffy - 'Rockferry'
Elbow - 'The Seldom Seen Kid'
Radiohead - 'In Rainbows'
The Ting Tings - 'We Started Nothing'
Best British breakthrough act
Adele
Duffy
Last Shadow Puppets
Scouting For Girls
The Ting Tings
Best international album
AC/DC - 'Black Ice'
Fleet Foxes - 'Fleet Foxes'
Killers - 'Day & Age'
Kings of Leon - 'Only By The Night'
MGMT - 'Oracular Spectacular'
Best international male
Beck
Neil Diamond
Jay-Z
Kanye West
Seasick Steve
Best international female
Beyonce
Gabriella Cilmi
Katy Perry
Pink
Santogold
Best international group
AC/DC
Fleet Foxes
Killers
Kings of Leon
MGMT
Critics' Choice winner:
Florence and the Machine
Outstanding Contribution To Music:
Pet Shop Boys
