Los Angeles - Pop star Taylor Swift has given approval to a performance by two singers on songs from her latest album '1989'.

The 24-year-old singer gave her stamp of approval on Twitter to a performance of 'Blank Space' and 'Style' mash-up uploaded on YouTube, reported Aceshowbiz.

Swift took to Twitter to share a link of the clip showing Louisa Wendorff and Devin Dawson singing the tracks off and commented, "Obsessed."

The video sees the Nashville-based singer and her duet partner singing in the middle of the street. Wearing all-black outfits, the two deliver their respective lines while Dawson plays the guitar.

Wendroff and Dawson were excited after learning that Swift noticed their video. "You Guys!! I'm so overwhelmed by what's happening!! Thank you all so much for all your encouragement and support and @taylorswift13," she tweeted. PTI