Question: When was the English fashion model and actress born who was a star in both  "Paper Towns" (2015) and Suicide Squad (2016)? 
Sentence (from "Suicide Squad (film)"): The film is written and directed by David Ayer and stars an ensemble cast featuring Will Smith, Jared Leto, Margot Robbie, Joel Kinnaman, Viola Davis, Jai Courtney, Jay Hernandez, Adewale Akinnuoye-Agbaje, Ike Barinholtz, Scott Eastwood, and Cara Delevingne.
Relevant evidence: Yes