‘Thor’ Star Jamie Alexander ALMOST NAKED … at Movie Premiere

1105-jaimie-alexander-getty-3So … Jaimie Alexander won the “Thor” premiere last night.

The 29-year-old actress — who plays Lady Sif in the movie — rolled up to the El Capitan Theater in Hollywood wearing a dress that BARELY covered her lady junk.

Asgard … meet Ass-guard.

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