New statistics show Queen of Pop is a bigger hit in South America
Singer's famous saucy garment doubles its estimate price under the hammer
Judge threatened to ban journalists from court if they didn't stop laughing during trial...
Singer also gets down to 'Gangnam Style' with Psy - watch
St Petersburg court rules there's enough evidence to sue 'MDNA' singer
The 'MDNA' star said Gaga turned down plans for an onstage collaboration
Fans walk out of singer's 'MDNA' tour in Louisiana
But Rihanna is catching her fast…
Punters criticise singer's insensitivity for flaunting fake firearms in light of Colorado shootings
Singer breaks from MDNA show to speak about Malala Yousafzai