[s7e13] Don't Deceive Me (please Don't Go) Now

Guest star Rachael Taylor debuts as Dr. Lucy Fields, a new obstetrician who is immediately irritated by Callie's frantic behavior. 📱 Surgery in the Social Media Age

Derek chooses Alex Karev as his resident instead of his wife, Meredith Grey , arguing that their personal connection and Meredith’s family history (her mother, Ellis) would make it too emotional. [S7E13] Don't Deceive Me (Please Don't Go)

Mark finally confesses the pregnancy to Lexie Grey . Lexie, feeling like Mark is starting a second family without her for the second time (referencing his daughter Sloan), walks away from the relationship. Guest star Rachael Taylor debuts as Dr

In a lighter subplot, attempts to modernize the hospital by live-tweeting surgeries for educational purposes. Mark finally confesses the pregnancy to Lexie Grey

Following the bombshell that is pregnant with Mark Sloan's baby, the trio struggles to navigate their new reality.

Despite the Chief's disapproval, Lexie’s "obsessive tweeting" actually helps save a patient's life by locating specialized equipment at another hospital through her social media network. 🌟 Notable Guest Stars

Alex quickly realizes he is not suited for the patient-facing emotional labor required for Alzheimer's patients. In a surprising moment of growth, Alex tells Derek to hire Meredith, acknowledging she is the right person for the job.