540 pound man on X-Factor - watch his audition! Plus photo when he weighed 900 pounds.

Meet Freddie Combs, who weighs 540 pounds and auditioned last night on The X-Factor.  Part of what's extraordinary is that at this weight, he's already lost 400 pounds! Way to go, Freddie!

Here he is, featured on TLC's "Heavily Ever After," weighing in at over 900 pounds.

Watch his audition on X-Factor: