Gwen Stefani expecting her third child?

Singer Gwen Stefani is reportedly expecting her third child with singer husband Gavin Rossdale.

The 43-year-old 'No Doubt' frontwoman, who already has two kids- Kingston and Zuma with Rossdale, is reportedly expecting her third child, reported Contactmusic.

"She and Gavin couldn't be happier," a source said.

The couple begun dating in 1995 and exchanged vows in 2002.

The star, who has her own fashion line, previously said that being a mother requires one to be selfless.