Singer Jamie Cullum and wife welcome second child

It's another girl for "All at Sea" singer Jamie Cullen and his wife, Sophie Dahl.

Cullen, 33, announced the birth of the couple's second child via Twitter:

Dahl, 35, the granddaughter of author Roald Dahl, is a writer and former model.

She and Cullen are also parents to daughter Lyra, who turned 2 last Saturday, People reports. The couple married in England in January 2010.