Madonna will celebrate the end of her Australian concerts by filming the final two shows at the Sydney Olympic Park on 19 and 20 March (16).

The two gigs will wrap up the singer's seven-month Rebel Heart world tour, during which Madonna performed 80-plus concerts in over 20 countries.

Danny B. Tull and Nathan Rissman will take charge of the live video over the weekend. It will be part of a larger project to be released at a later date.

Madonna, who has recently been battling ex-husband Guy Ritchie for custody of their teenage son Rocco, will continue with her Australian dates at the AU Entertainment Centre in Brisbane on Wednesday (16Mar16).

The concert film announcement comes hours after Madonna hit back at claims suggesting she was drunk onstage in Australia last week (ends11Mar16). The singer stated she was merely playing a character during a performance in which she dressed as a clown and fell off a tricycle.

In an Instagram post, the 57-year-old thanked fans for standing by her after video footage from a gig featuring her behaving erratically at two shows in Melbourne went viral.

"Too bad people don't know the art of acting and playing a character. I could never do any of my shows high or drunk," Madonna wrote. "Underlying all of this is sexism and mysongony (sic) which proves that not only do we not get equal pay but we are still treated like heretics if we step out of line and think outside the box!"

The controversy came after Madonna donned a pink wig and a yellow dress for a bizarre performance at a 'Tears of a Clown' concert in Melbourne.

Video clips posted online appeared to show Madonna stumbling and speaking incoherently during the show.

Fans and critics alike suggested the pop star was suffering the affects of fighting for custody of her son Rocco in the U.K. in between tour dates.

During the 'Tears of a Clown' show, Madonna showed off a large photo of her son as a young boy and told fans, "I probably would have enjoyed myself a bit more on this tour if he hadn't disappeared so suddenly."

Rocco has been living with his father in London since December (15) after refusing to return home to his mother's New York home. A Big Apple judge has urged Madonna and her ex-husband Guy to resolve the custody dispute between themselves.

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