FLASHBACK: A 13-Year-Old Robin Thicke Hopes for a Music Career on the Set of 'Growing Pains'

More from Entertainment Tonight: http://bit.ly/1xTQtvw 13-year-old Robin Thicke was already a star-on-the-rise when he serenaded us and showed off his (incredibly '90s) dance moves on the 1991 set of his dad Alan Thicke's beloved sitcom Growing Pains.