In a country where there is a divorce for every two marriages, the announcement by Putin and Lyudmila, his wife of 30 years, may not make a dent in his popularity ratings, but is out of synch with his pronouncements about the values of traditional family.
The awkward announcement, made Thursday evening after the pair attended a ballet performance together in Moscow, lifted the lid on the poorly kept secret that Putin and the first lady are separated -- which had been the subject of years of muckraking but had never been officially revealed.
State channels on Friday were replaying the interview, in which Lyudmila, 55, bashfully said the divorce is "civilised" and that the 60-year-old president "really cares" about their two daughters.
Over the years, the personal life of the Putins became a subject of constant unconfirmed rumours, including one that the Russian president has two children with Olympic champion rhythmic gymnast Alina Kabayeva, now a lawmaker and 30 years old.
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Lyudmila made regular public appearances during Putin's first two terms in the Kremlin. However, she gradually disappeared from view after that and was conspicuously absent at many events where her presence was expected.
When Putin stood side by side with Moscow mayor Sergei Sobyanin at an Easter ceremony in Cathedral of Christ the Saviour last month, while Prime Minister Dmitry Medvedev stood with his wife, the president became the target of another round of jokes.
"There is a critical mass of rumours, the (popularity) rating is falling, and the image of an efficient politician is eroding," said Lev Gudkov, the head of independent pollster Levada Centre.
"It seems that stating the fact was deemed more rational."
Divorce is frowned upon by the ultra-conservative Orthodox Church, and Putin himself declared this year that a "traditional family with lots of children should be a symbol of Russia."
Putin's spokesman Dmitry Peskov today denied any rumours that the president has a relationship with another woman.