Madonna Joins Instagram

Madonna, 54, is the latest celebrity to get with the Instagram craze, as she recently joined the social networking site and posted a few samples of what her fans can expect from her in the future.

The first pic shows a stylishly coifed Madonna daintily sipping on a dirty martini, with the caption, "Cheers motherf**kers!! I'm on Instagram."

^{Madonna, Instagram}

The second shot shows the Material Girl in a seductive pose that reveals everything from her damp bottom lip to the top of her cleavage, presumably after a workout. The caption on this one read, "Addicted to sweat!!!!"

^{Madonna, Instagram}

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