The singer wore a smart white suit, while the actor wore a black suit and red plaid tie.
The pop star has admitted she sings funny songs to her son. She told PerezHilton.com last month: "[Axl] inspires me to make ultra corny songs up, and Josh and I harmonize. We're like that couple in 'Best in Show' who sing about their dogs."
She loves her son...
She told The Hollywood Reporter: "If I had kids, my kids would hate me. They would have ended up on the equivalent of the Oprah show talking about me; because something [in my life] would have had to suffer and it would've probably been them."
At age 14, Winfrey gave birth to a baby boy after years of sexual abuse. Her son died tragically a few weeks later.
In 2011, she opened up about her traumatic childhood, confessing: "Getting ...