With the main ceremony less than six weeks away, The BRIT Awards 2013 sees Emeli Sande as this year's frontrunner, with four nominations.

There were three nominations each for Mumford and Sons, Rita Ora and Mercury Prize winners Alt-J, while Amy Winehouse received a nod for best British Female after an album of material was released posthumously.

Muse, Robbie Williams, Emeli Sande, Mumford and Sons, Ben Howard and One Direction are the first artists confirmed as performing at next month's awards show.

The BRITs will be hosted by James Corden on February 20th at London's O2 Arena

Here are the full BRIT Awards nominees:

British male solo artist

• Calvin Harris
• Plan B
• Richard Hawley
• Ben Howard
• Olly Murs

British female solo artist

• Amy Winehouse
• Paloma Faith
• Bat For Lashes
• Jessie Ware
• Emeli Sande

British breakthrough act

• Jake Bugg
• Jessie Ware
• Alt-J
• Ben Howard
• Rita Ora

British group

• Mumford and Sons
• Alt-J
• The xx
• Muse
• One Direction

British single

• Adele - Skyfall
• Alex Clare - Too Close
• Coldplay featuring Rihanna - Princess Of China
• DJ Fresh featuring Rita Ora - Hot Right Now
• Emeli Sande - Next To Me
• Florence + The Machine - Spectrum (Say My Name)
• James Arthur - Impossible
• Jessie J - Domino
• Labrinth featuring Emeli Sande - Beneath Your Beautiful
• Olly Murs featuring Flo Rida - Troublemaker
• Rita Ora featuring Tinie Tempah - RIP
• Rizzle Kicks - Mama Do The Hump
• Robbie Williams - Candy
• Rudimental featuring John Newman - Feel The Love
• Stooshe - Black Heart

British album of the year

• Emeli Sande - Our Version of Events
• Plan B - Ill Manors
• Alt-J - An Awesome Wave
• Paloma Faith - Fall To Grace
• Mumford and Sons - Babel

International male solo artist

• Jack White
• Gotye
• Michael Buble
• Frank Ocean
• Bruce Springsteen

International female solo artist

• Rihanna
• Alicia Keys
• Cat Power
• Lana Del Rey
• Taylor Swift

International group

• The Black Keys
• The Script
• Alabama Shakes
• Fun.
• The Killers

British live act

• Mumford and Sons
• Coldplay
• Muse
• The Vaccines
• The Rolling Stones

British producer

• Damon Albarn
• Jake Gosling
• Paul Epworth

Special recognition award

• Warchild

Critics' choice

• Winner: Tom Odell
• Also nominated:
• AlunaGeorge
• Laura Mvula