Alan Thicke remembered at star-studded memorial hosted by son Robin, Leonardo DiCaprio among those attending


Friends and family gathered on Sunday to honor Alan Thicke, who died at age 69 on Tuesday after suffering a heart attack while playing hockey at a skating rink in Burbank, California.

A source tells ET that about 150 people attended the beautiful, heartfelt memorial service that took place at Thicke's ranch in Carpinteria, California, an oceanside city near Santa Barbara.

The source adds that the actor's son, singer Robin Thicke, and his two brothers welcomed guests, and were specific in wanting something upbeat and beautiful to celebrate their dad's life.

Robin hosted the service, the source says, telling stories about his father, and inviting guests up to share stories of their own about Alan, after starting the night off with a prayer.

Stars like Bob Saget, Bill Maher, Alex Trebek and the entire cast of Growing Pains, including Leonardo DiCaprio, spoke about how much Alan had meant to them. Kris Jenner sat next to Alan's widow, Tanya, for the evening. Other celebrities in attendance included Kevin Costner, Barry Bonds, Luc Robitaille, David Foster and Paul Mitchell.

EXCLUSIVE: Robin Thicke Is Being 'Incredibly Strong' for His Family

A source close to the family previously told ET that Robin "really stepped up" in planning his father's memorial.

PHOTOS: Alan Thicke on 'Growing Pains'

27 PHOTOS
Alan Thicke on 'Growing Pains'
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Alan Thicke on 'Growing Pains'

GROWING PAINS - 'Ben's First Kiss' - Airdate: December 7, 1988.

(Photo by ABC Photo Archives/ABC via Getty Images)

GROWING PAINS - Gallery - Shoot Date: October 14, 1987.

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GROWING PAINS - 'B=MC2' - Airdate: November 30, 1991.

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GROWING PAINS - 'There Must Be a Pony' - Airdate: November 2, 1991.

(Photo by ABC Photo Archives/ABC via Getty Images) 

'There Must Be a Pony' - Season Seven - 11/2/91

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GROWING PAINS - 'The Big Fix' - Airdate: November 9, 1991.

(Photo by ABC Photo Archives/ABC via Getty Images)

GROWING PAINS - 'Jason Sings the Blues' - Airdate: October 19, 1991.

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GROWING PAINS - 'The Kid's Still Got It' - Airdate: October 26, 1991.

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GROWING PAINS - 'Paper Tigers' - Airdate: October 5, 1991.

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GROWING PAINS - 'Stop, Luke and Listen' - Airdate: September 25, 1991.

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GROWING PAINS - 'Happy Halloween' - Airdate: October 31, 1990.

(Photo by ABC Photo Archives/ABC via Getty Images) 

GROWING PAINS - Gallery - Shoot Date: September 28, 1991.

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GROWING PAINS - 'Happy Halloween' - Airdate: October 31, 1990.

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GROWING PAINS - 'The New Deal - Part I' - Airdate: November 8, 1989.

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GROWING PAINS - 'Future Shock' (a.k.a., 'Maggie's Dream') - Airdate: February 21, 1990.

(Photo by ABC Photo Archives/ABC via Getty Images)

GROWING PAINS - 'Guess Who's Coming to Dinner?' - Airdate: November 16, 1988.

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GROWING PAINS - 'Birth of a Seaver' - Airdate: October 26, 1988.

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GROWING PAINS - 'Family Ties' - Airdate: November 2, 1988.

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GROWING PAINS - 'This is Your Life' - Airdate: November 17, 1987.

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GROWING PAINS - 'Big Brother's Not Watching' - Shoot Date: June 5, 1987.

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GROWING PAINS - 'Aloha' - Airdate: September 18, 1987.

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GROWING PAINS - 'Jason and the Cruisers' - Airdate: September 30, 1986.

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GROWING PAINS - 'Charity Begins in the Home' - Airdate: February 18, 1986.

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GROWING PAINS - Pilot - Airdate: September 24, 1985.

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GROWING PAINS - Gallery - Shoot Date: November 20, 1985.

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GROWING PAINS - Gallery - Shoot Date: July 22, 1985.

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"[Robin's] realized that he has to be incredibly strong for his family right now," the source said. "He is focused on honoring his dad, and making this easy on his family."

According to the source, Robin personally arranged all travel for out-of-town family members, securing local hotels and even offering to let them stay at his home.

"He knows he has to be strong for his brothers, and is focused on making this as easy for Carter as possible," the source added.

In addition to Robin, Thicke and his first ex-wife, Gloria Loring, also share 41-year-old son Brennan. He also had a son, 19-year-old Carter, with his second ex-wife, Gina Tolleson.

WATCH: Gloria Loring Reacts to Death of Ex-Husband Alan Thicke

ET spoke with Loring over the phone from her home in Lake Arrowhead, California, on Wednesday, where she reflected on some of her most precious memories with the beloved actor.

"[Alan] loved his family so much," Gloria explained. "He was the centerpiece to our family and I can't imagine going forward. We always had Thanksgiving and Christmas with the big, extended family, and I just can't imagine how it's going to be without him."

"Alan loved his kids, loved his grandkids -- he was known as 'Pops,' and I think my son could speak best to their relationship with him, but I know it was always one of a mentor, a counselor, a supporter," she continued. "He was always there when they needed him. He was very devoted to his family and he was always so much fun to have in the room anywhere he was -- his sense of humor went before him."

RELATED: Bob Saget, Alyssa Milano, Minnie Driver and More React to Alan Thicke's Death

The Canadian actor, who was best known for his role as patriarch Jason Seaver on Growing Pains, recently appeared on season two of Fuller House, as well as the pilot episode of the NBC drama This Is Us.

He is survived by wife Tanya Callau and three sons, Brennan, Robin, and Carter.

PHOTOS: Alan Thicke through the years

35 PHOTOS
Alan Thicke through the years
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Alan Thicke through the years

Actress Valerie Harper and actor Alan Thicke attend the Kenny Rogers in Concert: 'The Gambler' Tour on September 14, 1979 at the Universal Amphitheatre in Universal City, California.

(Photo by Ron Galella/WireImage)

Actor Alan Thicke and son Brennan Thicke attending 'Celebrity Fashion Show Benefiting Windfeather' on June 10, 1984 at the Beverly Wilshire Hotel in Beverly Hills, California.

(Photo by Ron Galella/WireImage)

Actor Alan Thicke and actress Gina Gallego attending Third Annual American Diabetes Association Waiters Brunch on February 9, 1985 at Baxter's Restaurant in Westwood, California.

(Photo by Ron Galella/WireImage)

Actor Alan Thicke attending the premiere party for 'Out of Africa' on December 10, 1985 at the Plitt Theater in Century City, California.

(Photo by Ron Galella/WireImage)

GROWING PAINS - 'The Kid' - Airdate: December 16, 1985.

(Photo by ABC Photo Archives/ABC via Getty Images) 

Actor Alan Thicke attending 59th Annual Hollywood Christmas Parade on November 25, 1990 in Hollywood, California.

(Photo by Ron Galella/WireImage)

Actor Alan Thicke and sons Brennan Thick and Robin Thicke and Actress Joanna Kerns attend the 'Celebration of Tradition' A Gala Event Gathering Warner Bros. Stars on June 2, 1990 at Warner Bros. Studios in Burbank, California.

(Photo by Ron Galella, Ltd/WireImage)

Actor Alan Thicke attending 9th Annual MacLaren Children's Center Benefit on March 10, 1990 at Henry Winkler's home in Toluca Lake, California.

(Photo by Ron Galella/WireImage)

Actor Alan Thicke attending 'Hollywood Stars Night Baseball Game' on August 22, 1992 at Dodger Stadium in Los Angeles, California.

(Photo by Ron Galella/WireImage)

Actor Alan Thicke and date Julie Tovilar attending the world premiere of 'The Bodyguard' on November 23, 1992 at Mann Chinese Theater in Hollywood, California.

(Photo by Ron Galella/WireImage)

THE TONIGHT SHOW WITH JAY LENO -- Episode 646

Pictured: Actor Alan Thicke, host Jay Leno during an interview on March 6, 1995.

(Photo by: Margaret Norton/NBC/NBCU Photo Bank via Getty Images)

Alan Thicke drives a ball during the Lexus Challenge held at La Quinta Country Club in La Quinta, California. Mandatory

(Jon Cuban /Allsport)

Actor Alan Thicke attending the premiere of 'G.I. Jane' on August 6, 1997 at Mann Village Theater in Westwood, California.

(Photo by Ron Galella/WireImage)

Alan Thicke and Jason Alexander in dress rehearsal of 'Promises, Promises,' a musical at the Freud Playhouse at UCLA. Photo Iris Schneider.

(Photo by Iris Schneider/Los Angeles Times via Getty Images)

Actor Alan Thicke and son Carter Thicke attending the premiere of 'Adventures of Rocky and Bullwinkle' on June 24, 2000 at Loew's Universal Cinema in Universal City, California.

(Photo by Ron Galella/WireImage)

Alan Thicke during 'Me, Myself & Irene' Los Angeles Premiere at Mann Village Theatre in Westwood, California, United States.

(Photo by SGranitz/WireImage)

Actor Alan Thicke skates at the opening of the Universal CityWalk Ice Rink on November 29, 2002 in Universal City , California. The rink will be open to the public through January 5, 2003.

(Photo by Frederick M. Brown/Getty Images)

Actor Alan Thicke attends the Los Angeles premiere of 'Pinocchio' on December 22, 2002 in Los Angeles, California. The film opens in theaters nationwide on Wednesday December 25, 2002.

(Photo by Robert Mora/Getty Images)

Actor/producer Alan Thicke and model Tanya Callau pose after being married on May 7, 2005 at The One&Only Pamilla Resort in Cabo San Lucas, Mexico.

(Photo by Vince Bucci/Getty Images)

Alan Thicke, Tanya Callou, Paula Patton and Robin Thicke attends the Opening Night at the 40/40 Club in Las Vegas, NV December 30, 2007.

(Photo by Johnny Nunez/WireImage)

Actor Alan Thicke poses for photographs with his 2008 Jaguar XJ outside his home in Carpinteria, December 1, 2011.

(Photo by Ann Johansson/Corbis via Getty Images)

'I'm In The Band' on Disney XD.

(Photo by Bruce Birmelin/Disney XD via Getty Images)

Hoda Kotb and Alan Thicke appear on NBC News' 'Today' show

(Photo by Peter Kramer/NBC/NBCU Photo Bank via Getty Images)

Actor Alan Thicke and Pharrell Williams attend the Qream Launch Party on July 14, 2011 in Hollywood, California.

(Photo by Johnny Nunez/WireImage)

Alan Thicke attends the 10th Annual Michael Jordan Celebrity Invitational Celebrity Dinner in BESO At Crystals at CityCenter on March 31, 2011 in Las Vegas, Nevada.

(Photo by Chris Weeks/WireImage)

Actor Alan Thicke and recording artist Robin Thicke attend The GRAMMY Nominations Concert Live!! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on December 6, 2013 in Los Angeles, California.

(Photo by Charley Gallay/WireImage)

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Carole Radziwill and Alan Thicke

(Photo by: Charles Sykes/Bravo/NBCU Photo Bank via Getty Images)

Actors Charlie Sheen and Alan Thicke attend the Joe Carter Classic Charity Golf Tournament after-party at Shangri-La Hotel on June 26, 2014 in Toronto, Canada. 

(Photo by George Pimentel/WireImage)

Actor Alan Thicke attends the 2013 Summer TCA Party for the Hallmark Channel's on July 8, 2014 in Beverly Hills, California.

(Photo by Paul Archuleta/FilmMagic)

Alan Thicke attends the Dodgers' Hollywood Stars Night Game at Dodger Stadium on June 6, 2015 in Los Angeles, California.

(Photo by Noel Vasquez/GC Images)

Actor Flex Alexander, producer Tony Cornelius, actor Alan Thicke and actor/comedian Cedric the Entertainer attend the second annual Coach Woodson Las Vegas Invitational pairings party at the Lavo Restaurant & Nightclub at The Palazzo Las Vegas on July 12, 2015 in Las Vegas, Nevada.

(Photo by Bryan Steffy/Getty Images for PGD Global)

Alan Thicke arrives for the 'Cool Comedy - Hot Cuisine' benefit for the Scleroderma Research Foundation at Regent Beverly Wilshire Hotel on June 5, 2015 in Beverly Hills, California.

(Photo by Gabriel Olsen/FilmMagic)

Actor Alan Thicke and wife Tanya Callau arrive at the premiere of STX Entertainment's 'Bad Moms' at Mann Village Theatre on July 26, 2016 in Westwood, California.

(Photo by Gregg DeGuire/WireImage)

Actor Alan Thicke arrives for the Comedy Central Roast Of Rob Lowe at Sony Studios on August 27, 2016 in Los Angeles, California.

(Photo by Greg Doherty/Getty Images)

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