The event — which takes place at Los Angeles’s Staples Center — will feature performances from Carly Rae Jepsen, Fifth Harmony and Nick Jonas.
Tanya Thicke thanked supporters and described the 'unbelievable grief' in her statement on 'Growing Pains' star Alan Thicke's death.
The entire 'Growing Pains' cast attended Thicke's memorial, along with other celebrities like Alex Trebek, Bob Saget and more.
Joanna Kerns, the actress who played Alan Thicke's wife on 'Growing Pains,' reflects on her co-star's passing.
"When Alan Thicke walked in the room, quite frankly, no one was cooler," wrote DiCaprio, who was in the final season of 'Growing Pains' as homeless teen Luke Brower.
Celebrities honored the late Alan Thicke across social media, hours after news broke of the actor's death.
Actor Alan Thicke, best known for his role on 'Growing Pains,' has reportedly died.