Leave it to Madonna to be a good sport. As per tradition, the pop legend, 55, hosted her annual Oscars afterparty on March 2 at the mansion of her manager Guy Oseary, with festivities raging from 10 p.m. to around 6 a.m.. Among the night's many, many A-list guests were her ex-husband, Sean Penn, and his girlfriend, Charlize Theron.
Fellow Oscar winners Penn, 53, and Theron, 38, were "making out like crazy" and "all over each other" on the dance floor, an observer at the bash tells Us Weekly. "They were the talk of the party -- even Madonna noticed!" 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.
Still, the former couple's 4-year union was passionate, and the Material Girl's close pal Debi Mazar recently quipped that Penn remains Madonna's "one true love." Over the years, Penn was supported his ex-wife at concert performances, and she recently joined him in Haiti on a humanitarian project.
Regardless, Penn and Theron'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's teenagers!
Past 2 a.m., "Madonna was dancing up a storm with her kids Lourdes and Rocco on the dancefloor," the observer says. "She kept walking around the party trying to get everyone to dance.
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