Miley Cyrus hit Oscars after party thrown by Madonna. After Miley Cyrus VMAs performance 2013, it seems the singer is hot for awards performances.

Miley Cyrus hit the Oscars after-party on a break from her Bangerz tour. Miley Cyrus twerked the night away at Madonna's annual Oscars after party.

Hollywood knows Madonna throws one of the best Oscars post-parties. The party was invite-only and no cameras or as press people were allowed inside.

A source says Miley Cyrus and Madonna "danced until the wee hours of the morning and even newly engaged Ashton Kutcher and Mila Kunis were there!"

Madonna traditionally host an annual Oscars after-party. Last Sunday, Madge held hers at The Vineyard in Beverly Hills, Calif. which is owned by her manager Guy Oseary. The party rages on  from 10 p.m. until the early hours, breaking up around 6 a.m.. Madonna's ex-husband Sean Penn and his girlfriend, Charlize Theron wore matching outfits and hit the dance floor in front of A-Listers like Julia Roberts, Nicole Richie, Joel Madden, Brad Pitt, Angelina Jolie, Miley Cyrus, Tom Ford, Ellen DeGeneres, Portia De Rossi, John Travolta and Kelly Preston.

A party goer revealed "Miley was dancing with Madonna, and Julia [Roberts] was dancing with her friend."

Miley Cyrus collaborated with Madonna on a mash-up of 'Don't Tell Me' and 'We Can't Stop' for the Miley's recent MTV 'Unplugged' special.

An insider told E! News "Miley was dancing with Madonna, and Julia (Roberts) was dancing with her friend."

The insider revealed, "Brad and Angie were talking to Julia and hanging out with Lupita, who was walking around with her Oscar telling everyone it was the best night ever. Sean and Charlize were making out on the dance floor."