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1 of 20 Michelle Dockery and Phoebe Waller-Bridge Carnival Films / USA Today Downton Abbey star Michelle Dockery has one of the funniest people in the U.K. as her sister-in-law: Phoebe Waller-Bridge. Docker is married to Phoebe’s brother, Jasper Waller-Bridge. 2 of 20 Jamie Bell and Joaquin Phoenix 20th Century Fox / USA Today Jamie Bell and Joaquin Phoenix are related by marriage with the Mara sisters serving as the conduit. Bell is married to Kate Mara while Phoenix is married to Rooney Mara. 3 of 20 Jake Gyllenhaal and Peter Sarsgaard USA Today Jake Gyllenhaal and Peter Sarsgaard are related by marriage, too. Sarsgaard is married to Jake’s sister, Maggie Gyllenhaal. The couple have been married since 2009. 4 of 20 Jack Antonoff and Andie MacDowell USA Today Jack Antonoff fell in love with Margaret Qualley and got one of the coolest women ever as a mother-in-law because of it. Qualley’s mother is none other than Andie MacDowell. 5 of 20 Blake Lively and Bart Johnson Feigco Entertainment /Chorus Boy If you don’t recognize Bart Johnson by name, you might recognize his picture. The actor is best known for his role as Coach Bolton in the High School Musical series. He’s also married to Robyn Lively, a sibling of Blake Lively, making Coach Bolton and Serena van der Woodsen in-laws. 6 of 20 Alison Brie and James Franco USA Today Alison Brie and Dave Franco seem to be a match made in heaven. And Brie got some famous in-laws out of the deal, notably Dave’s brother James Franco. 7 of 20 Nicole Richie and Cameron Diaz Little Stranger, Inc. / Columbia Pictures One of the coolest in-law pairings of all, Nicole Richie and Cameron Diaz are both married to Madden brothers, best known for their involvement in the band Good Charlotte. 8 of 20 Chris Pratt and Arnold Schwarzenegger USA Today If Chris Pratt wants tips on how to level up as an action star, he’s got a good contact. Pratt’s father-in-law is Arnold Schwarzenegger as the Parks and Recreation star is married to the former governor’s daughter, Katherine Schwarzenegger. Pratt is also related by marriage to The White Lotus star Patrick Schwarzenegger. 9 of 20 Scott Foley and Patrick Wilson DAE Light Media / New Line Cinema Two fine actors became brothers-in-law by marrying sisters. Foley is married to Marika Moninczyk while Wilson is married to Marika’s sister Dagmara Dominczyk. 10 of 20 Josh Brolin and Barbra Streisand USA Today Imagine your father gets remarried and it’s to one of the most iconic women of all time. That’s what happened to Josh Brolin in the late ‘90s when his father, James Brolin, married Barbra Streisand. 11 of 20 Ashlee Simpson and Tracee Ellis Ross USA Today For years now, Ashlee Simpson has been married to Evan Ross, whose sister is Tracee Ellis Ross. This makes Simpson and Tracee sisters-in-law, and it makes Simpson the daughter-in-law of the iconic Diana Ross. 12 of 20 David Tennant and Peter Davison USA Today / Bentley Productions David Tennant, best known for playing the tenth and fourteenth incarnations of the Doctor in the incredibly long-lasting series Doctor Who, is married to Georgia Tennant. Georgia is the daughter of Peter Davison, who is best known for playing the fifth incarnation of the Doctor. 13 of 20 Saweetie and Dwyane Wade USA Today Saweetie and actress Gabrielle Union are cousins, which is a crazy enough connection as is. But it gets crazier when realizing that it means Saweetie and Dwyane Wade are related now, too. 14 of 20 John Krasinski and Stanley Tucci USA Today / Fox 2000 Pictures Family reunions with John Krasinski and Stanley Tucci have to be awesome. Krasinski is married to Emily Blunt, and Tucci is married to Emily’s sister, Felicity Blunt. 15 of 20 Mary Steenburgen and Lily Collins USA Today / Darren Star Productions As if Lily Collins didn’t hit enough of a jackpot having Phil Collins as her father, she got lucky with her in-laws. Lily is married to Charlie McDowell, the son of Malcolm McDowell and Mary Steenburgen. This means Lily has Mary for a mother-in-law, and she’s got Ted Danson as an in-law, too. 16 of 20 Meryl Streep and Mark Ronson USA Today Okay, but if we’re talking about great women to have for mothers-in-law, Meryl Streep has got to be near the top of that list. Streep is the mother-in-law of legendary producer Mark Ronson as he’s married to Streep’s daughter Grace Gummer. 17 of 20 Millie Bobby Brown and Jon Bon Jovi Legendary Pictures / USA Today Some people get great mothers-in-law, others get great fathers-in-law. Millie Bobby Brown got the coolest father-in-law ever in Jon Bon Jovi. The Stranger Things actress is married to Bon Jovi’s son Jake Bongiovi. 18 of 20 Penn Badgley and Jemima Kirke USA Today / Apatow Productions Penn Badgley and Jemima Kirke have a couple notable things in common, like the fact that they were both on iconic TV shows from the same era. They’re also related by marriage. Badgley is married to one of Jemima’s sisters, Domino Kirke. 19 of 20 Zooey Deschanel and David Hornsby Elizabeth Meriwether Pictures / RCG Productions Two actors from iconic sitcoms are related by marriage. Zooey Deschanel’s sister, Emily Deschanel, is married to David Hornsby, making the New Girl and the It’s Always Sunny in Philadelphia stars in-laws. 20 of 20 David Harbour and Alfie Allen 21 Laps Entertainment / HBO Entertainment Actor David Harbour has been married to Lily Allen since 2020. Lily’s brother is Alfie Allen, making the Stranger Things star and the Game of Thrones star brothers-in-law. Acacia Deadrick Acacia Deadrick is a South Dakota-based writer who has written for sites such as Nicki Swift, The List, and Glam. She loves music and all things pop culture, and she can be found watching TV, completing a crossword puzzle, or reading in her spare time.
