Zac Efron,Taylor Swift Duet; Pair Sing Together On Ellen (VIDEO) 02/21/2012 08:39 am ET | Updated Apr 22, 2012 www.justjared.com Zac Efron and Taylor Swift pull out their guitars and sing a duet on the The Ellen DeGeneres Show, airing today! Read more on www.justjared.com More: Taylor Swift Zac Efron FOLLOW CELEBRITY facebook twitter Suggest a correction GET THE NEWSLETTER Enter your email address to get top stories and blog posts emailed to you each day. FOLLOW HUFFPOST HuffPost Celebrity HuffPost Celebrity HuffingtonPost Available on the App Store Android App on Google Play Get it at Blackberry App World HUFFPOST NEWSLETTERS Enter your email address to get top stories and blog posts emailed to you each day. Get top stories and blog posts emailed to me each day. Newsletters may offer personalized content or advertisements. Learn More.