Amal Alamuddin's law firm confirms George Clooney engagement

George Clooney and his new fiancee, Amal Alamuddin, have been hush-hush on their engagement -- but Alamuddin's law firm has not.

"The barristers and staff of Doughty Street Chambers offer their best wishes and congratulations to Ms Amal Alamuddin, a member of Chambers, and Mr George Clooney on their engagement to be married," the firm said in a statement per Reuters.

Engagement speculation spread over the weekend after Alamuddin, a human rights lawyer, was spotted with a ring on her wedding finger while having dinner in Los Angeles.

Clooney, 52, and Alamuddin, 36, have been an item since last fall, according to reports.

When asked about the engagement, Clooney's rep told "ET": "I don't comment on my client's personal life."