Nyong'o looks every bit the movie star while stepping out at LAX. Plus: Charlize Theron, pics from Sundance & more!

DINNER RUSH

Order up! Fresh from wife Michelle's 50th birthday bash, President Barack Obama and daughter Sasha, 12, roll up their sleeves to serve the hungry at D.C. Central Kitchen in Washington, D.C., on Monday, in honor of Martin Luther King, Jr. Day.