Catherine Zeta-Jones made her first red carpet appearance since leaving treatment for bipolar disorder last night -- and, man, did she look amazing!

The 43-year-old actress sizzled in a black lace dress that clung tightly to her midsection, showing off her legs with a high slit down the front at the "Red 2" premiere. She accessorized the look with Jerome C. Rousseau heels.

Michael Douglas' wife left a mental health facility in May after undergoing some "maintenance" for her ongoing battle with bipolar disorder. She previously sought treatment back in 2011.

Zeta-Jones was joined on the red carpet by Helen Mirren and Mary-Louise Parker -- who both looked pretty great as well -- plus costars Bruce Willis and John Malkovich.

The movie opens July 19.

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