ET's Carly Steel caught up with the sisters at the magazine's cover party in Los Angeles on Thursday, where they opened up about their latest gig, and the one thing they never fight over.
"I'm still in shock," Sistine revealed of the sisters' beautiful cover. "I think we're all still really in shock from this moment because when we actually found out that we got the Harper's Bazaar cover, it was the three of us."
"We thought it would stop at the Hollywood Reporter," Sophia explained. "And then all of a sudden they were like, 'Oh, Harper's Bazaar is here.'"
The girls have looked perfectly coordinated in every appearance since their 2017 Golden Globes debut in January -- though they admit working together is harder than it looks.
"Totally. We've had so many opportunities and we're so lucky. We never in a million years thought that this would all be coming out of the Golden Globes," Sistine shared. "Of course, it was a huge deal, but we kinda thought it would end there. So the fact that this is kind of a snowball effect and we keep getting jobs and covers [is amazing]."
"Actually, recently we just got our first Australian campaign together," Sophia added. "[And we've done] photo shoots for Dolce & Gabbana recently. They're still coming out."