Madonna wears 1,000 carats of diamonds at her annual Oscars after party

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She was the original Material Girl.

So it makes sense that on Hollywood's biggest night, Madonna would go all out with adorning herself.
The 55-year-old posted an Instagram picture showing her dripping in 1,000 carats of diamonds at her annual Oscars after party on Sunday night in Los Angeles.

Material Girl: Madonna wore 1,000 carats of diamond to her annual Oscars after-party on Sunday in Los Angeles

In the snap, the superstar singer wears a red satin top, her lips a matching crimson and her blonde hair in loose waves over her shoulders.

She wore 1,000 carats of Neil Lane diamonds, including a crucifix around her neck, rings and a head-piece.

'The Oscar goes to Party ## 7!!!!! #revolutionoflove,' she captioned the picture, referring to her annual post-Oscars party held at her manager Guy Oseary's house.

Star-studded: Brad Pitt and Angelina Jolie were expected to attend Madonna's party, pictured at the Oscars on Sunday

Madonna's party is notoriously hush hush - she doesn't allow photographers inside, and guests don't walk a red carpet.

According to earlier reports, the bash featured a star-studded guest list, inluding Anne Hathaway, Kate Hudson, Demi Moore, Glenn Close, Bradley Cooper, Brad Pitt and Angelina Jolie.

Guests apparently left with luxury goods after the Gucci-sponsored event, reports US Weekly.

A source told the publication that security was in full force at the prestigious event. 'There was tons of security and tons of staff checking people in,' the insider said.

Traditionally, a big marquee is put up in Guy's Coldwater Canyon backyard.

Back in the day: Madonna and Demi Moore used to co-host the party together, but Madonna chose Demi's ex-husband Ashton over her friend, pictured in the UK in 2004 

Madonna used to co-host the event with Demi Moore, but Madonna dumped her in favour of her friend's ex-husband Ashton Kutcher.

It seems Madonna is on team Ashton, after the Jobs actor and not his former wife attended her Oscars party last year.

Demi had co-hosted the event with the pop star in 2011 - she was unable to do the same in 2012 as the 51-year-old was in rehab post her split with Ashton - but last year the Charlie's Angles star was not even in attendance, let alone hosting.

Her main man: The party is always held at Madonna's manager Guy Oseary's mansion in LA, pictured together in NYC in 2011