Introducing J.R. Martinez's New Baby Girl!

'Dancing with the Stars' champ J.R. Martinez is showing off his adorable newborn daughter -- Lauryn Anabelle -- and ET went to the Martinez home for an up-close look! Dancing with the Stars champ J.R. Martinez is showing off his adorable newborn daughter -- Lauryn Anabelle -- and ET went to the Martinez home for an up-close look at baby Belle's custom nursery and to find out what have become J.R.'s favorite baby activities! "I feel that she looks like him," says J.R.'s girlfriend Diana Gonzalez-

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