London, May 18: Sienna Miller can no longer hide her romance with actor Tom Sturridge.

The couple, who remained coy for months, has finally revealed their relationship with a passionate display of affection while on holiday in Vienna, reports the Daily Mail.

They were photographed walking along with their arms around each other, as well as kissing frequently, while they walked along the streets of the Austrian capital Monday afternoon.

Miller appeared to radiate with happiness as she took in the sights with Sturridge. (ANI)