Katie Holmes at the Mission Impossible: Ghost Protocol premiere in a navy Holmes & Yang dress with an illusion neckline. I tried my best to find navy options (which I do include) but the closest match is the black option from Tahari at Dillard's for $139.
Footloose star Julianne Hough made an appearance at The Tonight Show looking stunning in a charcoal patterned L'Agence sheath, Kara Ackerman Designs bracelet and black pumps. Julianne keeps knocking it out of the park during movie promotion.