Ever since Taylor Swift burst onto the music scene she has always portrayed 'good girl' image, and when it comes to drinking alcohol this is actually true. The Grammy winning singer recently revealed she didn't have an alcoholic beverage before turning 21.

Taylor Swift
Swift didn't touch booze until turning 21-years-old

The revelation came when Swift was being interviewed for the ABC special 'Barbara Walters Presents: The 10 Most Fascinating People of 2014,' in which she also opened about the importance of setting a good example for her younger fans.

"You have such a good reputation," Walters first said to the 'Shake It off' singer. "You have never been 'the bad girl'. You don't drink. You don't smoke."

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"I mean, I do drink, I am 25," Swift responded. "So it's not like, I mean... Yeah, I was at a Knicks game and I had a beer and everybody was like, 'Ohhh!' I was like, 'Tsk.'"

Although her squeaky clean image may not be entirely accurate, when it came to booze Swift chose to wait until she was old enough. "I did wait until I was 21 to drink," she explained. "I was so paranoid about getting in trouble or setting the wrong example or sending the wrong message."

Swift then told Walters how her younger fans have a huge influence on her career and personal decisions.

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"I put every one of my actions through a filter before I do them because that's the way my life is," Swift continued. "That the reality... If I do something reckless or thoughtless or careless, or I treat someone badly, that doesn't just affect me; it affects that person. Then, if that story gets out, or some 10-year-old sees that I did that in a news article... my actions do have ripples."

The full interview on 'Barbara Walters Presents: The 10 Most Fascinating People of 2014,' aired on ABC on Sunday, Dec. 14.