The hidden camera prank series is returning to TV screens on March 29, with Bieber among several celebrities who will host the show each week.
The short clip shows Swift concerned that she may have wrecked a couple's wedding while a nearby boat catches fire.
Ashton Kutcher presented the original MTV series, and will continue to serve as producer.
Miley Cyrus, Kellan Lutz, Hayden Panettiere, Bam Margera, and Dax Shepard will also host the series, while Khloe Kardashian, Tyler Posey and Demi Lovato are among the prankees.
Bieber celebrated his 18th birthday today (March 1).
Watch a video for Taylor Swift's 'Safe & Sound' below: