Total Guitar magazine recently had a poll on what the world's worst cover song performances are. We did some searching on YouTube and present to you the top five worst cover versions as per the poll:

(If you only watch one of these videos, then make sure you check out the last one — it's an absolute shocker!)

Celine Dion, Anastacia — "Shook Me All Night Long" (ACDC)

Sugababes, Girls Aloud — "Walk This Way" (Aerosmith and Run DMC)

Westlife — "More Than Words" (Extreme)

Will Young — "Light My Fire" (The Doors)

The Mike Flowers Pops — "Wonderwall" (Oasis)