Bindi Irwin has decided to keep her famous last name for a very personal reason. The 21-year-old conservationist and Chandler Powell tied the knot on March 25, and she has since decided to not take her husband's last name.«I’ve kept Bindi Irwin,» she told ET's Lauren Zima ahead of their Animal Planet special,. «I think that for me personally, after dad [Steve Irwin] passed away it was really important for me to feel close to him, and having his last name means so much to me.»Chandler added that they talked about the possible name change, but at the end of the day she's «an Irwin through and through.»«Chandler has become an Irwin now,» Bindi said with a laugh. «It has become a part of me.