Michael Fassbender, Jodie Turner-Smith, & More Attend 'The Agency' Premiere in New York City

Sienna Miller, 42, looks effortlessly stylish with boyfriend Oli Green, 27, at Carolina Herrera X Frame party in New York City

Jodie Turner-Smith wows alongside Katherine Waterston and Michael Fassbender at The Agency premiere in LA

Christina Aguilera Helps Dress Partner Matthew Rutler at H&M's Store Reopening Event in New York City