Madonna struggles being single mom

LONDON: Pop star Madonna says it's hard and stressful to be a single mother and manage things all alone.

After her divorce from Guy Ritchie, she has is taking care of four children - Lourdes (15), Rocco (12), David (6), and Mercy (5).

"I am not going to lie - it's hard work having four kids and doing all the work I do. Everybody has something to say about the way I live my life," the pop diva told The Sun in an exclusive interview.

"At the end of the day I'm doing my best. If people don't like it, then that's really their problem," she added.

Four years after her divorce from 43-year-old Ritchie, Madonna says that "sometimes I cope with it very well, sometimes it's a struggle."

The star has used her experiences as a lone parent as an inspiration for some of the tracks of her forthcoming album - MDNA.