In March 2015, she won gold with a throw of 60.81 m at the 2015 European U23 Throwing Cup. In July, she won gold at the 2015 European U23 Championships with a 65.60 m throw, seven metres ahead of second place. This 65.60 m throw broke both her own German U23 record and Madara Palameika's championship record and moved Hussong to second (behind Mariya Abakumova) on the European U23 all-time list. She then competed at the 2015 World Championships in August. She placed first in the qualification round with a personal best throw of 65.92 m and finished sixth in the final with a 62.98 m effort.