Party Lines Slideshow: Elettra Wiedemann, Alber Elbaz, Anna Dello Russo, and More at the Lanvin Hearts H&M Launch

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After months of video teasing, Lanvin for H&M finally launched last night with a splashy fashion show featuring Anna Dello Russo and a bow-adorned poodle. Despite an ankle injury from dancing, Elettra Wiedemann limped down the red carpet in heels. "I fell in my dance class," she explained. "I've had a bad ankle now for like a week. It's become a running joke that I go to all these events in heels." Fittingly, she was wearing a tutu-inspired dress to the event. "Maybe the bandage could be a new trend. Michael Jackson had the brace," she mused.