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Dr. Drew Pinsky

LOS ANGELES, CA - FEBRUARY 07: Dr. Drew Pinsky poses backstage at the GRAMMYs Dial Global Radio Remotes during The 55th Annual GRAMMY Awards at the STAPLES Center on February 7, 2013 in Los Angeles, California. (Photo by Rick Diamond/WireImage)

Stars Applaud Angelina Jolie on Twitter

Angelina Jolie's New York Times op-ed about her choice to undergo a double mastectomy to greatly decrease her high risk of breast cancer  has sparked lots of celeb reactions on Twitter, including some from stars who've dealt with breast cancer themselves. Check out what they're saying and join the conversation on Twitter.