The source says that the split "was not over anything specific or dramatic," but rather they "grew apart and realized they both had changed as people."
Maguire and Meyer's main concern is the well-being of their 9-year-old daughter Ruby, and 7-year-old son Otis. "They're both great parents and their main focus right now is on Ruby and Otis," the source continues. "Tobey and Jen love those kids so much and will make sure their lives don't change overnight."
© Provided by ETOnline
On Tuesday morning, the couple released a joint statement to ET, saying that "after much soul searching and consideration," they had decided to "separate as a couple."
Another source told ET that the two are still good friends, and are "very supportive of each other and are committed to their kids."
"It's a very amicable situation," said the source.
The 41-year-old actor and 39-year-old jewelry designer first met in 2003 and married four years later in Hawaii in front of a small group of friends and family.
Reporting by Jennifer Peros
Celeb breakups of 2016:
Tobey Maguire and Jennifer Meyer
Actor Tobey Maguire and his wife, jewelry designer Jennifer Meyer have separated. The duo had been married for nine years and are parents to two children, daughter Ruby and son Otis. They announced their split on Oct. 18 in a joint statement: "After much soul searching and consideration we have made the decision to separate as a couple. As devoted parents, our first priority remains raising our children together with enduring love, respect and friendship."
Rihanna and Drake
All seemed to be have been going well for the 'much-in-love' singers Rihanna and Drake for the past few months. However, recent reports say that the couple has called it quits. A source told E! News, “Rihanna and Drake are seeing other people at the moment. They are not exclusive to each other anymore. They still love each other, but their schedules have gotten in the way.” The couple has been together since the MTV Music Video Awards 2016, where Drake publicly declared his love for Rihanna. Some sources also reported that Drake is presently seeing model India Love.
Naomi Watts and Liev Schreiber
Zoë Ball and Norman Cook
Brad Pitt and Angelina Jolie
Angelina Jolie has filed for divorce from Brad Pitt after two years of marriage. Jolie filed the legal documents on Sept. 19, 2016, citing irreconcilable differences, reports People magazine. The actress has asked for physical custody of the couple's shared six children – Maddox, Pax, Zahara, Shiloh, Vivienne, and Knox – asking for Pitt to be granted visitation, the magazine said. Pitt and Jolie first met on the set of their 2003 thriller “Mr. & Mrs. Smith,” started dating soon after and got married in 2014.
Justin Bieber and Sofia Richie
The couple has broken up after dating for a month, according to TMZ. Beiber and Richie, who haven't been pictured together since their Mexican holiday for the latter's 18th birthday, were first seen holding hands on Laguna Beach, California, U.S., on Aug. 5.
Tom Hiddleston and Taylor Swift
Brooklyn Beckham and Chloë Grace Moretz
After confirming their relationship in May 2016, actress Chloë Grace Moretz and Brooklyn Beckham have called it quits, according to People magazine. Beckham has returned to London after spending the summer with Moretz in Los Angeles.
Jennifer Lopez and Casper Smart
Pop singer and actress Jennifer Lopez, 47, had broken up with her dancer boyfriend Casper Smart, 29, weeks before the news went public on Aug. 24. The private couple started dating in late 2011 and the break-up was
Kat Dennings and Josh Groban
Lady Gaga and Taylor Kinney
Diane Kruger and Joshua Jackson
The German actress and her partner of 10 years have decided to part ways. The two had started dating following Kruger’s split from her husband of five years, French director Guillaume Canet.
Ariel Winter and Laurent Claude Gaudette
On June 25, the "Modern Family" star uploaded a Kim Kardashian GIF with the text, "I'm like dropping hints that I'm single," on her Twitter account to announce her split with her boyfriend of two years. She captioned the tweet: "When you're surprised that people just haven't gotten it yet..."
Nicolas Cage and Alice Kim
Nicolas Cage’s representative has confirmed that the actor and his wife Alice Kim have been separated since January. The couple had been married for more than 12 years and have a ten-year-old son. Cage met Kim in 2004 at a restaurant in Los Angeles where she worked as a waitress.
Iggy Azalea and Nick Young
To announce their break-up on June 19, rapper Azalea took to Instagram and the LA Lakers' forward Young went on Twitter. The couple had been dating since 2013 and got engaged in 2015.
Demi Lovato and Wilmer Valderrama
Taylor Swift and Calvin Harris
Multiple sources are reporting that the hit maker and her musician boyfriend of over a year have parted ways. According to People Magazine, it was apparently an amicable split.
Johnny Depp and Amber Heard
The "Pirates of the Caribbean" actor and his wife are reportedly parting ways after one year of marriage. According to ET Online, Amber Heard filed for divorce citing irreconcilable differences. The couple, who met on the set of "The Rum Diary" in 2009 and got married in February 2015, are yet to release an official statement.
James McAvoy and Anne-Marie Duff
The "X Men" star and his wife, who met on the sets of comedy series “Shameless,” are separating after nine years of marriage. “It is with tremendous sadness that we have come to the decision to divorce,” they said in a joint statement.
Ozzy Osbourne and Sharon Osbourne
Zac Efron and Sami Miro
Kirsten Dunst and Garrett Hedlund
Actress Kirsten Dunst and boyfriend Garrett Hedlund have split after more than four years of dating. Dunst and Hedlund went public as a couple in 2012 and were last seen together at the 2016 Golden Globe Awards in January.
Drew Barrymore and Will Kopelman
Debra Messing and Daniel Zelman
Millie Mackintosh and Professor Green
Jaimie Alexander and Peter Facinelli
Nina Dobrev and Austin Stowell
“The Vampire Diaries” star Nina Dobrev and “Whiplash” actor Austin Stowell broke up after dating for seven months. The pair was first spotted indulging in PDA in June 2015. According to sources, the couple called it quits in late January or early February due to their busy schedules.
Hilary Duff and Mike Comrie
The actress and former NHL player officially parted ways after their divorce was finalized in early February 2016. They have been granted joint custody of their 3-year-old son Luca. The duo first announced their separation in January 2014.
Jessica Serfaty and Joe Jonas
The "Fastlife" singer and former "America's Next Top Model" contestant parted ways in February, after less than three months of dating. This was Jonas’ first relationship since breaking up with model Gigi Hadid in November 2015.
Naiyana Garth and Idris Elba
The British actor separated from his longtime girlfriend Naiyana Garth, a makeup artist by profession. The pair had been dating since early 2013, and became parents to son Winston in 2014.
Khloé Kardashian and James Harden
Reality TV star Khloé Kardashian and NBA player James Harden, who went public with their relationship in July 2015, split in February. Reports suggest that the relationship petered out after Kardashian started spending more time with estranged husband Lamar Odom, who was hospitalized following a medical emergency in October 2015.
Yolanda Foster and David Foster
"The Real Housewives of Beverly Hills" star and the Canadian musician filed for divorce in January 2016, citing "irreconcilable differences" as the reason. The pair, who were married for four years (and together for nine), had announced their separation in a joint statement on Dec. 1, 2015.
Rose McGowan and Davey Detail
The actress-singer ended her marriage with artist Davey Detail citing irreconcilable differences as the reason in divorce papers filed in February 2016. The couple, who got married in October 2013 after dating for over a year, had separated in May 2015.
Katharine McPhee and Nick Cokas
The "Smash" actress' divorce from husband Nick Cokas was finalized in February 2016; the duo had separated in 2014. The couple had married in 2008.