Aerts learned to ski with her parents while on winter vacation. Until she was 15 years old, she never skied more than a week or two a year. It was not until 1998, at the age of 22, that Aerts began to work as an entertainer in the holiday complexes of the Belgian Christian health insurance company CKK in Switzerland, dedicating herself intensively to freestyle skiing and, in particular, to skiing in the halfpipe . In 2006, when she was thirty, she took part in professional competitions in France for the first time. In 2008 she started at the Snowboard US Open for the first time and achieved 4th place in the Slopestyle discipline , but a little later she injured her spine in a fall .
She was only able to achieve greater success in 2011 when Aerts was third in the FIS World Cup in the halfpipe and eighth in the FIS World Championships in the same discipline. Also in 2011, Aerts won the bronze medal at the European Open. She came seventh at the Winter X-Games 2011. In the following year, Aerts finished 13th in the halfpipe and 15th in the slopestyle discipline at the 2012 World Cup . She was one of seven Belgian participants in the 2014 Winter Olympics . There Aerts landed in 17th place in the halfpipe.