Carrie Underwood's dog is famous -- and unlike Jessica Simpson's or Brooke Burns', it's not for being another face on the milk carton.
Meet Ace Underwood -- the only celeb canine we know of who actually has his own fan club.
Carrie Underwood Overshadowed ... by Her Pooch
10/6/2009 1:30 AM PDT BY TMZ STAFF
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