Beyonce won't halt her career to have children

American singer Beyonce Knowles says she's 'not ready' to halt her career to have children with her husband, hip-hop star Jay-Z, despite being keen to have a child.

The couple celebrated their first wedding anniversary April 4 and the "Irreplaceable" hitmaker, admits she'd like to slow down to build a family with the rapper, reports contactmusic.com.

"I definitely want one (a child) but I'm not ready for all that. I don't think a person should see that before their time," she said.