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Chris Evans and Minka Kelly left the LACMA Art + Gala in L.A. hand in hand ... and giggling up a storm. Adorbs!

Earlier in the evening, Evans, 31, and Kelly, 32, hit the purple carpet separately, but for the rest of the night were inseparable.

We're lovin' Minka's gorgeous Gucci dress. Chris is one lucky guy!

See which other celebrities attended the LACMA event in our gallery below.