Lisa Marie Presley confirms: Yes, I'm pregnant

If Elvis was alive he'd be a grandfather of three.

The King's only daughter, Lisa Marie Presley, has revealed she is expecting a baby with husband Michael Lockwood.

Rumours have been rife about the singer being pregnant, since she was pictured with an apparent baby bump.

Baby bump: Lisa Marie Presley, here in LA last weekend sporting a bump and drinking water, has announced she is expecting a baby

And now her rep has confirmed she is expecting her third child this autumn. "The couple are incredibly overjoyed," the rep told America's People magazine.

Lisa Marie's marriage to Lockwood - her guitarist and music producer - is her fourth in 20 years.

She married Danny Keough, with whom she has two children, in October 1988, but they divorced in 1994.

Support: Lisa Marie enjoyed lunch with friends at a farmer's market in Los Angeles

Her marriage to singer Michael Jackson, who she wed in May 1994, lasted just 21 months and her nuptials with actor Nicolas Cage lasted just three.

Lisa Marie, 40, was then engaged to rocker John Oszajca before marrying Lockwood in Japan, in January 2006.

This is their first child together.

Parents-to-be: Lisa Marie and husband Michael Lockwood, here in 2006 in LA