Kaley Cuoco is very close with her sister, Briana, although the sisters rarely share pictures together. But in a rare family shot, the Big Bang Theory star was convinced they were twins.MORE: Kaley Cuoco's home is practically one giant cinema – even her bathroomThe twosome posed with their "love", musician Jonathan Bluth, who is a friend of both the girls in a serene night-time shot next to a beautiful lit-up arch.WATCH: Kaley Cuoco shares tour inside jaw-dropping bedroomAnd Kaley asked the question that was surely on everyone's lips when she captioned the post: "Also are me and @bricuoco twins?!"Briana is Kaley's younger sister, and other than their gorgeous hairstyles, they look so alike.They're even alike in their career path, as Briana.
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