Billionaire's DAUGHTER, 22, bought New York's most expensive apartment for $88m

Owner: Ekaterina Rybolovleva, 22 - an avid equestrian - is said to have bought the $88million apartment herself on New York's Central Park

It’s the best Christmas present ever.

The 22-year-old daughter of a Russian billionaire received an $88 million condo from her filthy-rich dad — who dropped a fortune on what Realtors said was the most expensive-ever residential transaction in Manhattan.

A company associated with Ekaterina Rybolovleva, the daughter of Russian billionaire Dmitriy Rybolovlev, signed a contract to purchase the 6,744-square-foot, full-floor condominium at 15 Central Park West.

“Ms. Rybolovleva is currently studying at a US university,” representatives for the blond heiress and equestrian said in a statement.

She plans to stay in the apartment when visiting New York. Ms. Rybolovleva was born in Russia, is a resident of Monaco and has resided in Monaco and Switzerland for the past 15 years.”

The city-block-long, four-bedroom, park-facing penthouse in one of Manhattan’s toniest post-war buildings has 10 massive rooms, a 2,000-square-foot wraparound terrace and two wood-burning fireplaces.

The seller, ex-Citigroup chair Sanford Weill, has promised to give all proceeds to charity.

His spokesman did not return calls from The Post.

Previously, J. Christopher Flowers had the distinction of paying the most for a home in New York — $53 million for a 50-foot-wide townhouse at 4 E. 75th St. in 2006.

Potential buyers stopped visiting the Weill place a few weeks ago after the Post exclusively reported he had reached a deal with a foreign buyer.

Dmitriy Rybolovlev has looked at just about every $20 million-plus trophy apartment for sale in the city in the past 18 months, sources told The Post.

He sold the majority of his stake in Uralkali, the fertilizer business that made him rich, last year for $6.5 billion.

In 2008, Rybolovlev bought Donald Trump’s mansion in Palm Beach, Fla., for $95 million.

Rybolovlev spent time in a Russian jail after he was charged with murdering a business rival. He was acquitted after prosecutors failed to make their case.

He is known in Russian circles as a kleptocrat — one of a small group of men who got their start when the Kremlin sold off Russia’s national resources in allegedly rigged auctions in the early 1990s, following the collapse of communism and the fall of the Soviet Union.

Rybolovlev is also in the middle of a bitter divorce that could cost him more than half of his estimated $9.5 billion net worth.