0Hidden TwinsFrom Scarlett and Gisele to Ashton and Kiefer, VIEW OUR GALLERY of stars and their secret siblings, as the annual Twins Day Festival kicks off tomorrow.Updated Jul. 14, 2017 2:49PM EDT / Published Aug. 05, 2009 10:41AM EDT Craig Ambrosio, Icon SMI / Newscom José and Ozzie CansecoCraig Ambrosio, Icon SMI / Newscom Gisele and Patricia BundchenNewscom Ashton and Michael KutcherTom Vickers / Splash News Isabella and Ingrid RosselliniExpress / Getty Images Jerry and Terry HallRetna Jill and Jacqueline HennessyRon Galella, WireImage / Getty Images Jon and Daniel HederFrazer Harrison / Getty Images Kiefer and Rachel SutherlandAP Photo; George Pimentel, WireImage / Getty Images Kofi Annan Linda and Leslie HamiltonRon Galella, Ltd., WireImage / Getty Images Parker and Chris PoseyRon Galella, WireImage / Getty Images Eva GreenPascal Le Segretain / Getty Images Joseph FiennesPascal Le Segretain / Getty Images Scarlett and Hunter Johansson Jon Kopaloff, FilmMagic / Getty Images
José and Ozzie CansecoCraig Ambrosio, Icon SMI / Newscom Gisele and Patricia BundchenNewscom Ashton and Michael KutcherTom Vickers / Splash News Isabella and Ingrid RosselliniExpress / Getty Images Jerry and Terry HallRetna Jill and Jacqueline HennessyRon Galella, WireImage / Getty Images Jon and Daniel HederFrazer Harrison / Getty Images Kiefer and Rachel SutherlandAP Photo; George Pimentel, WireImage / Getty Images Kofi Annan Linda and Leslie HamiltonRon Galella, Ltd., WireImage / Getty Images Parker and Chris PoseyRon Galella, WireImage / Getty Images Eva GreenPascal Le Segretain / Getty Images Joseph FiennesPascal Le Segretain / Getty Images Scarlett and Hunter Johansson Jon Kopaloff, FilmMagic / Getty Images