The bra will feature in a show to celebrate the work of French fashion designer Jean Paul Gaultier at the Barbican next year.
Justin Bieber angered fans by showing up nearly two hours late for his London concert last night - but he's not the first musician to do so.
Madonna has become the latest in string of celebrities to go Gangnam Style.
Madonna is being sued for $10 million by a group of anti-gay Russian activists who say she insulted their feelings when she spoke out for gay rights at her concert in St Petersburg.
During her performance last week Madonna attacked a city law adopted in March that imposed fines for spreading homosexual "propaganda." One of the ten anti-gay activists taking the suit said:
"After Madonna's concert maybe some boy becomes gay, some girl becomes lesbian, fewer children are born as a result and this big country cannot defend its borders, for me it causes moral suffering."
Homosexuality was decriminalised in Russia in 1993, but prejudice against the gay community runs deep, attempts to hold gay rights rallies St Petersburg often results in arrests and clashes.
Madonna is on stage on the first night of her UK tour. She took to the stage in London's Hyde Park, next she will head to Birmingham, Edinburgh and Dublin.
This Friday will be Madonna morning on Daybreak and Lorraine this Friday, as Dan Wootton chats exclusively to the global superstar.
You can find out more here.
Madonna gave talk show host Jimmy Fallon a dance lesson during a live online interview to promote her new album, MDNA, which is released on Monday.
Fans submitted questions for the interview, which was streamed on social media website Facebook. One fan asked what Madonna would do if she were president of the United States