At least hippie Sienna hasn't burnt her bra
She's playing a free-loving 1960s revolutionary, but thankfully actress Sienna Miller has stopped short of burning her bra for the part.
The star's plunging cheesecloth dress revealed more than expected while filming Hippie Hippie Shake in London's Notting Hill.
Her lacy lingerie was clearly visible as she waltzed along Portobello Road totting a large suitcase.
Scroll down for more...
Hippie: Sienna plays Louise Ferrier in the upcoming drama
Sienna is starring as Louise Ferrier, the girlfriend of Richard Neville, the editor of notorious counterculture magazine Oz.
She recently said the Swinging Sixties have always held a strong appeal, telling the Telegraph: "I ache with a nostalgia for a decade I never knew."
"I've always loved the 1960s – how proactive young people were then. Our generation is so coloured by the internet and by celebrity culture."
Scroll down for more...
Swinging Sixties: Sienna revealed her lacy bra while filming in Notting Hill
Next up, Sienna is set to star in A Woman of No Importance, a comedy co-starring Annette Bening.
The 25-year-old, who has been keeping close company with Rhys Ifans in recent months, is planning to eventually step away from the spotlight, albeit briefly.
She has said: "I'm knackered. I need a break."
At the end of a hard day's filming Sienna wrapped up for a trip to her local pub
Rhys Ifans and close friend Davina Taylor joined the actress for a few drinks
