gallerySizzling G-20 Wives03.31.09gallerySizzling G-20 WivesCarla Bruni caused a frenzy last year, and with Sarah Brown hosting and Svetlana Medvedeva attending, the first ladies of the G-20 summit have all eyes in London placed squarely on them.03.31.09 9:26 AM ETSaul Loeb, AFP / Getty ImagesMICHELLE OBAMAThe British press is already captivated by America’s favorite First Lady. Expect dissections of her every curtsy and clothing choice to stream out of the city.Alessandro Bianchi / ReutersVERONICA LARIOThis B-list film actress is currently married to Italian prime minister Silvio Berlusconi. After he was flirtatious at a party she wrote a note to La Repubblica demanding his public apology, which she received. It’s still unclear whether she’ll show at the summit.Stefan Rousseau, PA Photos /LandovSARAH BROWNHosting duties this week fall to the capable shoulders of Sarah Brown, wife of British Prime Minister Gordon Brown. After recently being nitpicked for a misspelling in her invites, let’s hope the former public relations maven has double-checked her place settings and planned for the unexpected.Ashtakhov Dmitry, ITAR-TASS / LandovSVETLANA MEDVEDEVARussian President Dmitry Medvedev’s wife is a comparatively new first lady but the socialite has attracted attention since his election last May. She’s long been known as a friend to fashionistas by regularly donating to the arts.Lucas Jackson / ReutersCARLA BRUNIThe former model and Mick Jagger ex turned heads at last year’s retreat, but unfortunately Nicolas Sarkozy’s wife won’t be attending this year. Could she still persuade the President of France not to walk out? Chris Wattie, Landov / ReutersLAUREEN HARPERWill Michelle ride in the sidecar? The wife of Canadian Prime Minister Stephen Harper is a bit of a rebel and frequently roams around the True North on her motorcycle.Rodrigui Arangua, AFP / Getty ImagesCRISTINA FERNANDEZ DE KIRCHNERThe President of Argentina was elected two years ago after being first lady to Nestor Kirchner. She won with 45 percent of the vote and Forbes christened her as 13th in their list of the most powerful women in the world. Talk about muscle.Lalo Yasky, WireImage / Getty ImagesMARGARITA ZAVALAHere’s an Everywoman: Zavala is an attorney and has three children with husband Felipe Calderon, the President of Mexico. She also served in the Mexican legislature from 2003 to 2006 and is a strong presence in her husband’s administration.Bernat Armangue / AP PhotoSONSOLES ESPINOSACan a serenade smooth over foreign relations? The wife of Spanish prime minister José Luis Rodríguez Zapatero is a talented opera singer and might be the next fashion-forward first lady.