"I'm going to try to pull a Natalie Portman. Natalie went to Harvard while shooting 'Star Wars'. I don't know how she did it. I want to have lunch with her and ask her - that seems like a bunch of stress right there"

In this quote, Selena Gomez is revealing her admiration for Natalie Portman's ability to stabilize her education at Harvard while also shooting the popular movie "Star Wars". She acknowledges that she does not know how Natalie was able to deal with such a demanding schedule and expresses her desire to have a conversation with her about it. Selena sees this as a great feat and recognizes the stress that must have come with it. By saying she wants to "pull a Natalie Portman", Selena is implying that she also wishes to attain a comparable level of success and balance in her own life.