Kaley Cuoco rocks a brown leather fanny pack while stepping out with her sister Briana in New York

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Kaley Cuoco seemed to be in great spirits while stepping out with her sisterBriana Cuoco in Tribeca, New York, on Friday.The Flight Attendant actress, 36, flashed a bright smile and looked sporty in a long-sleeve white top, dark green pants with rolled up cuffs, and a pair of white sneakers.The California native accessorized her look with a pair of white-rim sunglasses and a large brown fanny pack, which she wore slung over her shoulder.

All smiles:Kaley Cuoco, 36, seemed to be in great spirits while stepping out with her sister Briana Cuoco, 33, in Tribeca, New York, on FridayThe Big Bang Theory actress wore her blonde tresses pulled into a messy bun atop her head.

The busy beauty held her cellphone firmly in her hand, and toted a large white bag on her arm.Ensuring that she had enough energy for the day ahead, Kaley carried an iced coffee in her hand.

Laid-back: The Flight Attendant actress looked sporty in a long-sleeve white top, dark green pants with rolled up cuffs, and a pair of white sneakers Accessories: The California native accessorized her look with a pair of white-rim sunglasses and a large brown fanny pack, which she wore slung over her shoulder At one point Kaley was spotted taking a quick stop, as she put her bag down to check something on her cellphone.Meanwhile her sister, 33, wore an oversized dark green sweatshirt with a white Nike graphic.Briana - who is also an actress and co-stars withKaley on The Flight Attendant - paired her top with raw-edge denim pants and black Vans.She wore her raven tresses parted in the middle and flowing down her shoulders.