This one's worth a peek. Kaley Cuoco might spend her life in nightgowns, but the "Big Bang Theory" star today dolled herself right up. With only ten days to go before new HBO Max series "The Flight Attendant" airs, 34-year-old Kaley has been ramping up promo for the thriller, having already appeared on both "The Kelly Clarkson Show" and Conan O'Brien's podcast. On Monday, Kaley's 6.1 million Instagram followers got her latest look, although still no word on where she'll be wearing it. Check it out below.