Jessica Alba on this week's episode of "The City"

Jessica Alba made a surprise guest appearance on this week’s episode of MTV’s The City, where she was filmed at a party celebrating her cover shoot for Elle Magazine.

The episode centered around the show’s star, Whitney Port, choosing the outfit Jessica wore for her cover shoot – an outfit by by Diane Von Furstenberg, the designer Whitney works for.

If you missed the episode, you can still catch it by logging onto thecity.mtv.com.

Images: MTV.com