"She doesn't care what people think," a friend says of the singer's disheveled look

By Courtney Rubin
May 06, 2008 12:40 PM

Amy Winehouse was drastically dressed down last weekend while enjoying a U.K. holiday with friends – and the pics caused a minor stir with the British papers.

The singer was caught enjoying the long holiday weekend –and the first signs of summer sunshine – with pals, wine and a touch of hair bleach. (Cue the Back to Black jokes!)

Dressed only in a black bra and tiny denim shorts, Winehouse – sans her signature beehive – also revealed a bald patch and her efforts with an at-home hair dye kit on her bangs.

“It’s Amy enjoying the sun at the weekend,” her London rep tells PEOPLE of the photos. She also smoked, drank and chatted with friends during her time in Oxfordshire, west of London.

A friend of Winehouse’s agrees, saying Winehouse was just taking advantage of the good weather in her own style.

“The sun makes people do crazy things,” a Winehouse pal tells PEOPLE. “Walking around in your bra in your own garden when it’s hot out isn’t all that crazy. She doesn’t care about having her picture taken like that. She wouldn’t even think about that. It’s Amy being Amy – she doesn’t care what people think.”