It was a big week in the Paisley house! As Brad Paisley celebrates winning the Grammy for Best Country Instrumental Performance for his song "Throttleneck," he and wife Kimberly Williams-Paisley have a different reason to celebrate altogether: According to Brad, their son William Huckleberrywho turns 1 later this month — is a man on the move! Says Brad,

The 35-year-old singer adds that fatherhood "is amazing." Huck is the first child for the couple, who were married in 2003.