Moellhausen's pre-Olympic season was plagued by a string of injuries. She however won the bronze medal in the 2011 European Championships in Sheffield after being defeated in the semi-final by Switzerland's Tiffany Géroudet. In the World Championships in Catania, she fell in the table of 32 to South Korea's Jung Hyo-jung. In the team event, Italy reached the semi-finals where they were defeated by China. They met Germany in the small final and prevailed 45–33 to win the bronze medal.