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"Madonna has finally signed up to Instagram - and her first two photos haven&amp;#039;t disappointed fans. The 54-year-old mega star posted a photo of her sipping a dirty Martini, wearing a lacy bra top.  She wrote alongside it: &amp;quot;Cheers motherf*ckers! I&amp;#039;m on Instagram.&amp;quot; Along with a few other black and white stage shots and &amp;#039;Election night 2012&amp;#039;, she uploaded an extreme close-up picture of her heaving cleavage and dripping face.  She captioned it with: &amp;quot;Addicted to sweat!!!!!&amp;quot;  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/showbiz/news/a457943/madonna-joins-instagram-posts-pictures-of-cleavage/>