Who: Cobie Smulders (a.k.a. Robin from How I Met Your Mother)
What: A floorlength print gown from the Donna Karan Spring/Summer 2012 collection
Where: The premiere of The Avengers in Hollywood on Wednesday night (12 April)
Bonus info: Cobie takes on the role of Maria Hill - former director of the Marvel universe's planetary defense/intelligence service S.H.I.E.L.D.
For what the rest of The Avengers cast were wearing, click on the gallery below:
Smoulder like Cobie and find your perfect red carpet gown below: