B eyonce 's infant girl, Blue Ivy , isn't merely her daughter.
"She's my road dog," the 31-year-old says in the March issue of Vogue. "She's my homey, my best friend."
"I had a very strong connection with my child," the Super Bowl halftime performer says of the day she gave birth to her only child, whose father is B's husband, Jay-Z .
"I felt like when I was having...