Watch a Sneak Peek of Downton Abbey Season 3!

USMagazine, Wednesday, September 5, 2012, 5:30pm (PDT)

Until the January premiere arrives, Downton Abbey fans can enjoy a new trailer for season 3 of the popular PBS show.

With a children's chorus singing Lou Reed's "Perfect Day," the teaser opens with new cast member, Shirley MacLaine, playing Lady Cora's American mother, Martha Levinson.

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"Come war and peace, Downton still stands and the Crawleys are still in it," MacLaine says stepping out of a car in the beginning of the new trailer.

"She finds our underbelly every time," Dowager Countess (Maggie Smith) says.

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"No family is ever what it seems from the outside." The new trailer also teases a ruined wedding, steamy makeout session and, as always, stunning costumes.

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The third season of Downton Abbey will premiere in the U.K. on Sept. 16. Watch the trailer above and tell Us: Which storyline are you most excited to watch?

This article originally appeared on Usmagazine.com: Watch a Sneak Peek of Downton Abbey Season 3!