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"Leave it to Madonna to be a good sport. As per tradition, the pop legend, 55, hosted her annual Oscars after-party on Sunday, March 2 at the L.A. mansion of her manager Guy Oseary, with festivities raging&amp;#xA0; from 10 p.m. to around 6 a.m.. Among the night&amp;apos;s many, many A-list guests were her ex-husband Sean Penn and his girlfriend, Charlize Theron.\r\n\r\nFellow Oscar winners Penn, 53, and Theron, 38, were &amp;quot;making out like crazy&amp;quot; and &amp;quot;all over each other&amp;quot; on the dance floor, an observer at the bash tells Us Weekly. &amp;quot;They were the talk of the party -- even Madonna noticed!&amp;quot; Penn and Madonna divorced way back in 1989; she eventually married and divorced Guy Ritchie, while he divorced Robin Wright after 14 years in 2010.\r\n\r\nStill, the former couple&amp;apos;s four-year union was passionate, and the Material Girl&amp;apos;s close pal Debi Mazar recently quipped that Penn remains Madonna&amp;apos;s &amp;quot;one true love.&amp;quot; Over the years, Penn was supported his ex-wife at concert performances, and she recently joined him in Haiti on a humanitarian project.\r\n\r\nRegardless, Penn and Theron&amp;apos;s makeout session was on display for all to see -- including attendees Julia Roberts, Nicole Richie and Joel Madden, Brad Pitt and Angelina Jolie, Miley Cyrus, Tom Ford, Ellen DeGeneres and Portia De Rossi, John Travolta and Kelly Preston . . . even Madonna&amp;apos;s teenagers!\r\nPast 2 a.m., &amp;quot;Madonna was dancing up a storm with her kids Lourdes and Rocco on the dancefloor,&amp;quot; the observer says. &amp;quot;She kept walking around the party trying to get everyone to dance."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.usmagazine.com/celebrity-news/news/madonna-charlize-sean-201433>