British model Sophie Dahl and her husband Jamie Cullum are expecting their second child together.

The beauty, granddaughter of beloved author Roald Dahl, and jazz singer Cullum are already parents to 20-month-old daughter Lyra, and now Dahl is pregnant with a sibling for the youngster.

Dahl's baby bump was clearly showing as she attended the Harper's Bazaar Women of the Year Awards in London on Wednesday (31Oct12) and her agent has confirmed the pregnancy news to DailyMail.co.uk.

Cullum and Dahl wed in 2010.