Celebrity Siblings(01 of52)
Open Image ModalRihanna and her little brother Rajad. (credit:Getty Images)
Celebrity Siblings(02 of52)
Open Image ModalJennifer Lopez and her sister Lynda Lopez. (credit:AP)
Celebrity Siblings(03 of52)
Open Image ModalPeter Andre and his big sister Debbie. (credit:Rex)
Celebrity Siblings(04 of52)
Open Image ModalJames Franco and his brother Dave Franco. (credit:Getty Images)
Celebrity Siblings(05 of52)
Open Image ModalJennifer Lawrence and her brothers Ben and Blaine. (credit:Getty Images)
Celebrity Siblings(06 of52)
Open Image ModalRupert Grint and his brother James Grint. (credit:PA)
Celebrity Siblings(07 of52)
Open Image ModalKate Hudson and her brother Oliver. (credit:Getty Images)
Celebrity Siblings(08 of52)
Open Image ModalMollie King and her sister Laura. (credit:Getty Images)
Celebrity Siblings(09 of52)
Open Image ModalSharon Stone and sister Kelly Stone. (credit:Getty Images)
Celebrity Siblings(10 of52)
Open Image ModalAlexandra Burke and her brother Aaron. (credit:Getty Images)
Celebrity Siblings(11 of52)
Open Image ModalVanessa Hudgens and sister Stella. (credit:Getty Images)
Celebrity Siblings(12 of52)
Open Image ModalEmma Watson with her brother Alex. (credit:Getty Images)
Celebrity Siblings(13 of52)
Open Image ModalKate Moss with her brother Nick Moss. (credit:Getty Images)
Celebrity Siblings(14 of52)
Open Image ModalJulia Roberts and Lisa Roberts Gillan. (credit:Getty Images)
Celebrity Siblings(15 of52)
Open Image ModalActress Hayden Panettiere and her brother, actor Jansen Panettiere. (credit:AP)
Celebrity Siblings(16 of52)
Open Image ModalAmanda Holden and her sister Debbie Holden. (credit:Getty Images)
Celebrity Siblings(17 of52)
Open Image ModalNicola Roberts with her sister, Frankie. (credit:PA)
Celebrity Siblings(18 of52)
Open Image ModalMichael Lohan Jr with his sister Lindsay Lohan. (credit:Getty Images)
Celebrity Siblings(19 of52)
Open Image ModalRonan Keating with sister Linda. (credit:PA)
Celebrity Siblings(20 of52)
Open Image ModalRihann's brother, Rorrey Fenty. (credit:Getty Images)
Celebrity Siblings(21 of52)
Open Image ModalStacey Solomon with her sister Jemma. (credit:Getty Images)
Celebrity Siblings(22 of52)
Open Image ModalActress Sarah Jessica Parker with her mother Barbra Forste and brother Pippin Parker. (credit:Getty Images)
Celebrity Siblings(23 of52)
Open Image ModalSisters Sienna and Savannah Miller. (credit:PA)
Celebrity Siblings(24 of52)
Open Image ModalRenee Zellweger and her brother Drew. (credit:Getty Images)
Celebrity Siblings(25 of52)
Open Image ModalRobert Pattinson's sisters Victoria and Lizzie. (credit:Getty Images)
Celebrity Siblings(26 of52)
Open Image ModalScarlett Johansson and her twin brother, Hunter. (credit:Getty Images)
Celebrity Siblings(27 of52)
Open Image ModalKeira Knightley and her big bro Caleb. (credit:Big)
Celebrity Siblings(28 of52)
Open Image ModalJude Law and his sister Natasha. (credit:PA)
Celebrity Siblings(29 of52)
Open Image ModalTrace Cyrus withj his sister Miley (and dad Billy Ray). (credit:Getty Images)
Celebrity Siblings(30 of52)
Open Image ModalCameron Diaz and sister Chimene. (credit:Getty Images)
Celebrity Siblings(31 of52)
Open Image ModalGwyneth Paltrow and her brother Jake. (credit:Getty Images)
Celebrity Siblings(32 of52)
Open Image ModalLee Anne DeVette and her brother Tom Cruise. (credit:Getty Images)
Celebrity Siblings(33 of52)
Open Image ModalJustin Bieber and little his brother Jaxon. (credit:AP)
Celebrity Siblings(34 of52)
Open Image ModalMichael Hathaway (left) and his sister Anne Hathaway. (credit:Getty Images)
Celebrity Siblings(35 of52)
Open Image ModalNicole Kidman and her sister Antonia. (credit:Getty Images)
Celebrity Siblings(36 of52)
Open Image ModalVictoria Beckham and sister Louise. (credit:Getty Images)
Celebrity Siblings(37 of52)
Open Image ModalBritney Spears and her brother Bryan. (credit:Getty Images)
Celebrity Siblings(38 of52)
Open Image ModalRichard Cox and his sister Courteney Cox. (credit:Getty Images)
Celebrity Siblings(39 of52)
Open Image ModalPippa and James Middleton. (credit:PA)
Celebrity Siblings(40 of52)
Open Image ModalBaron Nicholas Hilton with his sister and Paris Hilton. (credit:Getty Images)
Celebrity Siblings(41 of52)
Open Image ModalMadonna and her brother Christopher Ciccone. (credit:Getty Images)
Celebrity Siblings(42 of52)
Open Image ModalWayne Rooney's brother, Graham. (credit:PA)
Celebrity Siblings(43 of52)
Open Image ModalTOWIE stars Cara Kilbey, Billi Mucklow pictured with Lauren Goodger and her sister Nicola Goodger. (credit:PA)
Celebrity Siblings(44 of52)
Open Image ModalSir Philip Green with his son Brandon and daughter Chloe. (credit:PA)
Celebrity Siblings(45 of52)
Open Image ModalLily Allen and her sister Teddy Rose. (credit:PA)
Celebrity Siblings(46 of52)
Open Image ModalJoanne Beckham, sister of David Beckham. (credit:PA)
Celebrity Siblings(47 of52)
Open Image ModalColin Firth and his younger brother Jonathan. (credit:PA)
Celebrity Siblings(48 of52)
Open Image ModalSimon Cowell's brother, Nick Cowell. (credit:Getty Images)
Celebrity Siblings(49 of52)
Open Image ModalMiley and her half-sister Brandi. (credit:PA)
Celebrity Siblings(50 of52)
Open Image ModalBrad Pitt and his brother Doug. (credit:PA)
Celebrity Siblings(51 of52)
Open Image ModalAimee Osbourne is the big sister to Kelly and Jack. (credit:PA)
Celebrity Siblings(52 of52)
Open Image ModalLily Allen with her older, half-sister Sarah Owen. (credit:PA)