Shawn Mendes Sings In New 'The 100' Season Three Premiere Clip - Watch Now!

Shawn Mendes sings a soulful song in this new clip from the season premiere of The 100.

The 18-year-old “Stitches” singer will make his acting debut on the season three premiere of the hit CW show, which premieres Thursday, January 21st.

PHOTOS: Check out the latest pics of Shawn Mendes

“Excited for you all to see this new #The100 preview that’s about to come out today!” Shawn teased his fans on Twitter.

Check out the clip below!

ARE YOU EXCITED for the return of The 100?