Olivia Culpo is digging up heartbreak from her past. During the premiere episode of the model’s new TLC show, The Culpo Sisters, the 30-year-old was persuaded to open up about her previous relationship with Nick Jonas — and admitted she would rather not. “Do I have to talk about that?” Culpo, 30, asked producers regarding her doomed relationship with the 30-year-old pop sensation. “I did date Nick and that was a very formative experience for me.” OLIVIA CULPO, AIMEE SONG & TEZZA BARTON ATTEND SUNSET-INSPIRED L’AGENCE NYFW SPRING/SUMMER 2023 SHOW “I moved to L.A. with him. I had no brand, no mo…