People 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 Marriage

Ashlee has been married to Evan Ross — aka Tracee’s brother — since 2014. Of course, this also makes Diana Ross her mother-in-law!

Here’s a roundup of other celebrities with famous in-laws:

Millie Bobby Brown and Jon Bon Jovi

Eddie Murphy and Martin Lawrence

Blake Lively and Bart Johnson

Blake Lively’s sister, Robyn Lively, has been married to High School Musical star Bart since 1999.

Chris Pratt and Arnold Schwarzenegger

Chris got married to Arnold’s daughter Katherine Schwarzenegger in 2019, and they’ve since welcomed three kids together.

Jack Antonoff and Andie MacDowell

Jack got married to Margaret Qualley in 2023, making her mom, Andie MacDowell, his mother-in-law.

Emily Blunt and Stanley Tucci

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

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

Josh's dad, James Brolin, has been married to Barbra since 1998.

Peter Sarsgaard and Jake Gyllenhaal

Peter has been married to Jake’s sister, Maggie Gyllenhaal, since 2009.

Michelle Dockery and Phoebe Waller-Bridge

Michelle got married to Phoebe's younger brother, Jasper Waller-Bridge, back in 2023.

Mark Ronson and Meryl Streep

Mark has been married to Meryl’s daughter Grace Gummer since 2021.

Penn Badgley and Jemima Kirke

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!