I almost feel bad for laughing at this, but I've been there.  Most people who've ever recited something in public have had a moment of the forgotten line.  However, what makes this so funny is the fact that 1) he isn't supposed to be reciting in the first place and 2) HIS FACE!!!

Bless his heart.  I love the way the hostess helped him to keep it moving, though. Great save!

(S/N: His face reminded me of this epic rap battle fail. Fast forward to 2:15 to skip the horrible rapping, lameness, and possibly offensive language.)