Winning the evening's unofficial award for "Best And Craziest Use Of Social Media," singer and songwriter Imogen Heap walked the red carpet in a custom-designed "Twitter Dress." The tea-length garment--which has its own Twitter feed, of course--displays images sent in real-time by fans using the hashtag #twitdress.

According to Heap, the dress was conceived as a way for fans to "accompany [her] on the red carpet."

This isn't Heap's first foray into social media fashion. At the 2007 Grammy Awards, Heap wore a black-and-green bustled dress designed for her by a MySpace fan. Perhaps not coincidentally, 2007's outfit also involved a parasol:

Lady Gaga, watch your back: you've got some crazy-clothing competition!

Here are some other eye-popping looks from the Grammy's red carpet:

Nicole "Snooki" Polizzi of Jersey Shore

Niecy Nash of Clean House

Spanish singer-songwriter Shaila Durcal

Singer Shir Shomron