Thicke's 22-year-old girlfriend posted an ultrasound image of her new baby to Instagram. Thicke, meanwhile, is still involved in an ugly custody battle.
The 'Blurred Lines' singer's ex wife brought their son, Julian, to meet with Thicke and a court-appointed monitor, and police were reportedly summoned to the scene.
Jennifer Hudson, Patrick Stump and Jason Mraz join members of Poison and producers including Stargate and Danger Mouse who support the "Blurred Lines" appeal.