Born in Menen, De Jonckheere lives in Wevelgem and is an only child.

She is studying law at KULAK - Kortrijk University[2] and speaks Dutch, French and English.

De Jonckheere, who stands 1.73 m (5 ft 8 in) tall, competed as the representative of West Flanders against 15 other models.

[3] At the Miss Universe 2011 pageant, De Jonckheere represented her country.

In the contest, which was broadcast live from São Paulo, Brazil on 12 September 2011, she and 88 other models participated, but De Jonckheere failed to reach the Top 16.