Peaches Geldof showed off her sparkling engagement ring at the Premiere of new film, The Girl with the Dragon Tattoo over the weekend. Apparently the 22 year old has been engaged to rocker boyfriend Thomas Cohen for six months, after finally deciding to announce their engagement to the world. Clutching onto Thomas, Peaches paraded around the red carpet at the weekend showing off her dazzling diamond engagement ring. Peaches told press- 'Yes, I'm engaged! We don't want to get married for a couple of years yet though so don't expect me in a dress yet. I'm so happy!' This will be Peaches second marriage after she married boyfriend Max Drummey at just 19 years old in Las Vegas.