Are you sure you aren’t related? (29 photos)

Jeffrey Dean Morgan and Javier Bardem

Meryl Streep and Jennifer Ehle

Katy Perry and Zooey Deschanel

Gary Busey and Nick Nolte

Jenna Dewan and Adriana Lima

Renee Zellweger and Joey Lauren Adams

William Shatner and Ryan O’Neal

Cheryl Burke and Maya Rudolph

Lea Michele and Rebecca Black

John Mayer and Penn Badgley

Melanie Griffith and Meg Ryan

Thandie Newton and Zoe Saldana

Amanda Peet and Lake Bell

Stephen Colbert and Bob Saget

Bono and Robin Williams

Cheryl Cole and Lea Michele

Stana Katic and Mischa Barton

Alan Cumming and Paul Reubens

Will Ferrell and Chad Smith

Cindy Crawford and Eva Mendes

Susan Sarandon and Sharon Lawrence

Julia Ormond and Juliette Binoche

Cate Blanchett and Tilda Swinton

Daryl Hannah, Jennifer Coolidge

Michelle Williams and Carey Mulligan

Helen Hunt and Leelee Sobieski

Jordin Sparks and America Ferrera

Courteney Cox and Demi Moore

Elle Fanning and Chloe Moretz Grace