How I Met Your Mother Cast Reads Late Show Top 10 >>Hollywood

How do you know when you've made it in entertainment?

When you appear on The Late Show with David Letterman to read a Top 10 list and the host totally pretends to know who you are.

That's what befell the cast of How I Met Your Mother last night, as the core four stopped by this CBS talk show and read off the Top Ten Surprises In The Final Episode of How I Met Your Mother.

SPOILER ALERT: Stop reading now if you don't want to know the father of the baby and the fate of MacLarens.

How I Met Your Mother Cast Drops Top 10 List

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