Spotted: Celebs in pics (18-25May)

Celebrity photos: Girls Aloud’s Nicola Roberts is known for enjoying a party or two, and this week she tweeted a photo of her truly letting her hair down – and even stealing a friend’s hat!

Celebrity photos: Girls Aloud’s Nicola Roberts is known for enjoying a party or two, and this week she tweeted a photo of her truly letting her hair down – and even stealing a friend’s hat!