Sheen and Mueller prepare for twins?

Actor Charlie Sheen and his wife Brooke Mueller are expecting twins, according to reports.

The couple announced they were expecting their first child together in August.

Now, the 31-year-old property developer has apparently discovered that she is carrying twins.

Sheen, 43, who already has three children from previous relationships, recently said: "Brooke and I are thrilled. She's the best stepmom Sam, Lola and Cassandra could ever hope for. Seeing her love and affection with those three, I know she'll be an amazing mum."