The star will release her new album 21 on January 24, the follow-up to her 2008 album 19.
In a statement she said: 'I'm very excited, nervous, eager, anxious but chuffed to announce my new album!
'It's taken a while and it knocked me for six when writing it.'
She added: 'It's about the same things [as 19] but in a different light. I deal with things differently now. I'm more patient, more honest, more forgiving and more aware of my own flaws, habits and principles.
'Something that comes with age I think. So fittingly this record is called 21.'