Russian Prime Minister Vladimir Putin (L) and his wife Lyudmila attend late on April 23, 2011 an Orthodox Easter service at the Christ the Savior Cathedral in Moscow. AFP PHOTO/ RIA-NOVOSTI POOL/ ALEXEY DRUZHININ

Russian Prime Minister Vladimir Putin (L) and his wife Lyudmila attend late on April 23, 2011 an Orthodox Easter service at the Christ the Savior Cathedral in Moscow. AFP PHOTO/ RIA-NOVOSTI POOL/ ALEXEY DRUZHININ

Russian Prime Minister Vladimir Putin (L) and his wife Lyudmila attend late on April 23, 2011 an Orthodox Easter service at the Christ the Savior Cathedral in Moscow. AFP PHOTO/ RIA-NOVOSTI POOL/ ALEXEY DRUZHININ

Russian Prime Minister Vladimir Putin (R) and his wife, Lyudmila, sit together as they participate in the nationwide census at the Novo-Ogaryovo residence outside Moscow on October 16, 2010. Putin and his wife invited a census taker to their suburban residence to fill in the census questionnaire. From October 14 to October 25, about 650,000 census takers are to canvas Russia asking people over a dozen questions about their household, birthplace, nationality and other personal details in the first census since 2002. AFP PHOTO / RIA-NOVOSTI POOL/ ALEXEY DRUZHININ

Russian Prime Minister Vladimir Putin's wife, Lyudmila, speaks to a census taker at the Novo-Ogaryovo residence outside Moscow on October 16, 2010. Putin and his wife invited a census taker to their suburban residence to fill in the census questionnaire. From October 14 to October 25, about 650,000 census takers are to canvas Russia asking people over a dozen questions about their household, birthplace, nationality and other personal details in the first census since 2002. AFP PHOTO / RIA-NOVOSTI POOL/ ALEXEY DRUZHININ

Lyudmila Putin, wife of Russian President Vladimir Putin, talks with Spain's King Juan Carlos I prior to the official dinner at Royal Palace in Madrid, Wednesday, Feb. 8, 2006. Putin is on a two-day state visit to Spain. (AP photo/ITAR-TASS, Presidential Press Service)

PHOTO: EAST NEWS/LASKI DIFFUSION Ludmila Putina, byla zona Wladimira Putina, zdjecie z mlodosci.

PHOTO: EAST NEWS ZONA WLADIMIRA PUTINA - LUDMILA W LATACH 70. Ludmila Putina, 1970-e, wife of Vladimir Putin EXCLUSIVE ph:Laski Diffusion

PHOTO: EAST NEWS/LASKI DIFFUSION Vladimir Putin and Ludmila Putin (Shrebniewa), S-Petersburg. ZDJECIE SLUBNE WLADIMIRA I LUDMLY PUTIN Z DOMU SHREBNIEWA - ILUSTRACJA Z BIOGRAFI PREMIERA I KANDYDATA NA PREZYDENTA ROSJI Laski Diffusion

Russian President Vladimir Putin, right, and his wife Lyudmila, left, pay respects after laying a wreath at the National Monument at Dam Square Amsterdam, Tuesday, Nov. 1, 2005. Putin was invited by Dutch Queen Beatrix for a two-day official state visit to the Netherlands. It is the first state visit by a Russian leader since Czar Alexander II in 1874. (AP Photo/Rob Keeris)

Lyudmila Putin, wife of Russian President Vladimir Putin, seen at a meeting of first ladies who participated in the Moscow book festival, in the Kremlin in Moscow, Tuesday, Oct. 4, 2005. (AP Photo/ITAR-TASS, Vladimir Rodionov, Presidential Press Service)

PHOTO: EAST NEWS/AFP Russian President Vladimir Putin, his wife Ludmila and their labrador Koney walk to meet Italian Prime Minister Silvio Berlusconi and his wife Veronica (not pictured) at Putin's residence in the Russian Black Sea resort of Sochi, 28 August 2005. The talks between Russian President Vladimir Putin and Italian Prime Minister Silvio Berlusconi will focus on the expansion of cultural and humanitarian ties between Russia and Italy, a Kremlin official said.

Russian President Vladimir Putin and his wife, Lyudmila, left, speak with the wife of Italian Prime Minister Silvio Berlusconi, Veronica, who accompanied her husband, during their meeting in Putin's residence near Sochi, the Black Sea resort, Sunday, Aug. 28, 2005. Berlusconi arrived Sunday for a three-day working visit to Russia that is expected to focus on developing economic cooperation between the countries. (AP Photo/ITAR-TASS/Presidential Press Service, Vladimir Rodinov)

Russian President Vladimir Putin, right, his wife, Lyudmila, left, and Italian Prime Minister Silvio Berlusconi with his wife, Veronica Lario, walk during their meeting in Putin's residence near Sochi, the Black Sea resort, Sunday, Aug. 28, 2005, with Putin's Labrador, Koney, at right. Berlusconi arrived Sunday for a three-day working visit to Russia that is expected to focus on developing economic cooperation between the countries. (AP Photo/ITAR-TASS/Presidential Press Service, Vladimir Rodinov)

From left: Wife of Russian President Ludmila Putina, Russian President Vladimir Putin, wife of Italian Prime Minister Silvio Berlusconi Veronica Lario, and Italian Prime Minister Silvio Berlusconi greet during the meeting in Putin's residence in the Russian Black Sea resort of Sochi, Sunday, Aug. 28, 2005. Italian Prime Minister Silvio Berlusconi is to begin a three-day working visit to Russia on Sunday that is expected to focus on developing economic cooperation between the countries. Russian-Italian trade turnover grew by 55 percent to reach US$10.6 billion (euro8.5 billion) in the first six months of this year. (AP Photo/Mikhail Metzel)

Russian President Vladimir Putin talks to his wife Lyudmila during the celebrations marking the 750th anniversary of Kaliningrad, Russia's westernmost city in Kaliningrad, Saturday, July 2, 2005. Putin is to take part in festive celebrations meant to underline Russsia's role in this once-German city. (AP Photo)

Russian First Lady Lyudmila Putin poses with Italian Premier Silvio Berlusconi during their meeting near Milan, Italy, Sunday, May 29, 2005. Russian First Lady is on a visit to Italy. (AP Photo/ ITAR-TASS/ Presidential Press Service)

Russian President Vladimir Putin's wife, Lyudmila, left, and German Chancellor Gerhard Schroeder's wife, Doris Schroeder-Koepf, seen at a tea party during a reception for Victory Day celebrations in the Kremlin in Moscow, Monday, May 9, 2005. (AP Photo/ITAR-TASS, Presidential Press Service)

U.S. President George W.Bush kisses Russian first lady Lyudmila Putin prior to a military parade marking the 60th anniversary of the victory over Nazi Germany on Red Square in Moscow, Monday, May 9, 2005. (AP Photo/ITAR-TASS, Presidential Press Service)

President Vladimir Putin, right, holding flowers, and his wife Lyudmila, center, greet U.S. President George W. Bush and first lady Laura Bush at the Novo-Ogaryovo residence just outside Moscow, Sunday, May 8, 2005. Bush arrived in Moscow to take part in the celebrations of the 60th anniversary of the Allied victory over Nazi Germany in Europe. (AP Photo/ITAR-TASS, Presidential Press Service)