Bristol's showing!

Currently pregnant with her second child, Bristol Palin documented her first baby bump selfie. Last week, Sarah Palin's daughter showed the tiny baby bum while working in the dermatologist office where she works as a medical assistant.

The celebrity gave her best duck face for the social media snap. Levi Johnston's ex was pictured wearing a long black coat over a crisp white shirt. Despite our being in the middle of the Summer, it looks like it gets cold in that office!

Despite being unwed and a vocal supporter of abstinence after getting pregnant as a teenager with son Tripp, Bristol confirmed she was pregnant in June.

At the time, she wrote a controversial Facebook post about the pregnancy, using the word "disappointment" to refer to her situation.

Bristol wrote, "I know this has been, and will be, a huge disappointment to my family, to my close friends, and to many of you. But please respect Tripp's and my privacy during this time," Palin wrote in a blog post on June 25. "I do not want any lectures and I do not want any sympathy."

It's been a scandalous few months for the rumor-riddled brunette. Just one week before her nuptials, she canceled her Memorial Day weekend wedding to Marine Dakota Meyer. Bristol has yet to reveal the paternity of the baby but last month said that her pregnancy was "planned."

Whatever you say Bristol ...