Colin Firth & Hugh Grant
Grant is exactly one day older, but the British stars, who memorably vied for Renée Zellweger's hand in Bridget Jones' Diary and had equally adorable story lines in Love Actually, were both born in 1960!
Jason Priestley & Jack Black
Both actors were born on Aug. 28, 1969, but the Beverly Hills 90210 star burst into our lives a generation ahead of the School of Rock funnyman.
Edward Norton & Christian Slater
Both were born Aug. 18, 1969. Slater's seemingly been around a lot longer, bursting into our lives in Heathers and Pump Up the Volume when we were wee babes. And Norton didn't burst into our lives until...oh, Primal Fear was in 1996. But he's got that baby face...Gah!
Courtney Stodden & Dakota Fanning
It's hard to believe the teen bride is actually six months younger than the actress. Both were born in 1994.
Kim Kardashian & Jessica Simpson
These beauties were both born in 1980.
Sarah Hyland & Jennifer Lawrence
The Hunger Games star and the Modern Family actress were both born in 1990.
Jane Seymour & Kirstie Alley
The British actress and comedic star were both born in 1951.
Amber Heard & Lindsay Lohan
The Rum Diary actress and former Disney star were both born in 1986.
Kate Winslet & Tara Reid
The Oscar-winning mother-of-three and the Sharknado actress were both born in 1975.
Megan Fox, Mary-Kate Olsen & Ashley Olsen
The foxy actress and twin stars were all born in 1986.
Haley Joel Osment & Adele
Believe it or not, the child star and the Grammy winner were both born in 1988.
Sarah Jessica Parker & Diane Lane
The Sex and the City star and Unfaithful actress were both born in 1965.
Natalie Portman & Britney Spears
The Harvard-educated actress and Grammy award-winning singer were both born in 1981.
Kate Upton & Selena Gomez
The "Come and Get It" singer and the Sports Illustrated supermodel were both born in 1992.
Rob Lowe & Nicolas Cage
The West Wing star and Leaving Las Vegas actor were both born in 1964.
Harry Styles & Taissa Farmiga
The One Direction rocker and American Horror Story actress were both born in 1994.
Julianne Moore & Lisa Vanderpump
The Hunger Games actress and Real Housewives of Beverly Hills star were both born in 1960.
Jennifer Aniston & Cate Blanchett
The Friends beauty and the Blue Jasmine Oscar winner were both born in 1969.
Taylor Momsen & Ariana Grande
The edgy Gossip Girl starlet and the adorable "Right There" crooner were both born in 1993.
Jamie Lee Curtis & Madonna
The "Material Girl" singer and the Freaky Friday actress were both born in 1958.
Justin Bieber & Dakota Fanning
The "Boyfriend" singer and Twilight actress were both born in 1994.
Hayden Panetierre & Taylor Swift
The Nashville actress and the country songbird were both born in 1989.
Mark Wahlberg & Jada Pinkett Smith
The Departed actor and Will Smith's better half were both born in 1971.
Keira Knightley & Carly Rae Jepsen
The bubbly "Call Me Maybe" singer and the British beauty were both born in 1985.