句型 What are you wearing? — 英语阅读题

阅读短文，回答问题。 Today is the School Open Day. Many children come in nice clothes. Alice is wearing a white T-shirt and a blue skirt. Her brother Joe is wearing a green sweater and brown trousers. Their friend Lily is wearing a red dress. Alice asks Lily, "What are you wearing?" Lily smiles and says, "I am wearing my new red dress. I like it very much!" Question: Alice问Lily "What are you wearing?"，Lily是怎么回答的？请写出Lily穿的衣服。