Trending badgeTrendingPosted 1 hour agoSubscribe to BuzzFeed Daily NewsletterCaret DownPeople Are Just Discovering That Ashlee Simpson And Tracee Ellis Ross Are Sisters-In-Law, So Here Are More Celebs You Might've Forgotten Are Related By MarriageObsessed!by Leyla MohammedBuzzFeed StaffFacebookPinterestLink Recently, I noticed a few Reddit users discovering that Ashlee Simpson and Tracee Ellis Ross are related by marriage. Jon Kopaloff / Getty Images Ashlee has been married to Evan Ross - aka Tracee's brother - since 2014. Of course, this also makes Diana Ross her mother-in-law! Kevin Mazur / Getty Images Here's a roundup of other celebrities with famous in-laws: Millie Bobby Brown and Jon Bon Jovi Dimitrios Kambouris / Getty Images Millie famously married Jake Bongiovi, aka the son of Jon Bon Jovi, last year. The couple welcomed a baby girl together over the summer! Eddie Murphy and Martin Lawrence Gilbert Flores / Getty Images Eddie's son, Eric Murphy, married Martin's daughter, Jasmin Page Lawrence, in a private ceremony earlier this year. Blake Lively and Bart Johnson Michael Buckner / Getty Images, John Nacion / Getty Images Blake Lively's sister, Robyn Lively, has been married to High School Musical star Bart since 1999. Chris Pratt and Arnold Schwarzenegger Kevin Winter / Getty Images Chris got married to Arnold's daughter Katherine Schwarzenegger in 2019, and they've since welcomed three kids together. Jack Antonoff and Andie MacDowell Variety / Getty Images Jack got married to Margaret Qualley in 2023, making her mom, Andie MacDowell, his mother-in-law. Emily Blunt and Stanley Tucci Steve Granitz / Getty Images Emily and Stanley, who famously starred in The Devil Wears Prada together, have been related by marriage since 2012, when he married her sister, Felicity Blunt. Cameron Diaz and Nicole Richie Donato Sardella / Getty Images Cameron is married to Good Charlotte member Benji Madden. Benji's twin brother, Joel Madden, is married to Nicole - and she and Cameron are super, super close. Josh Brolin and Barbra Streisand Amy Sussman / Getty Images, Kevin Winter / Getty Images Josh's dad, James Brolin, has been married to Barbra since 1998. Peter Sarsgaard and Jake Gyllenhaal Dimitrios Kambouris / Getty Images Peter has been married to Jake's sister, Maggie Gyllenhaal, since 2009. Michelle Dockery and Phoebe Waller-Bridge Nbc / Getty Images, Mike Marsland / Getty Images Michelle got married to Phoebe's younger brother, Jasper Waller-Bridge, back in 2023. Mark Ronson and Meryl Streep Johnny Nunez / Getty Images Mark has been married to Meryl's daughter Grace Gummer since 2021. Penn Badgley and Jemima Kirke Ilya S. Savenok / Getty Images, Dominik Bindl / Getty Images And finally, Penn is married to Girls star Jemima's sister Domino Kirke, with whom he welcomed twins earlier this year. Can you think of any others? Feel free to share in the comments!