London, June 22 : Singer Gwen Stefani is finding it hard to maintain a balance between her motherhood and professional life.

The `No Doubt' star says that she is "exhausted" from overworking herself.

Stefani reunited with the band for a tour following a five-year hiatus.

During that time, Stefani also had two children - Kingston, three, and Zuma, 10 months - with husband Gavin Rossdale, and worked hard on her clothing line L. A. M. B.

And now, the 39-year-old crooner is struggling to juggle her business ventures and her role as a mother.

"I am exhausted. I''m not going to lie, with the babies, and the band, and the records, the tour, designing," the Daily Star quoted her Stefani as saying.

"But I''m so grateful we''re still able to do this," she added. (ANI)