The singing sisters went as a black widow (AJ) and a vampire maid (Aly) to the swinging party which was also attended by cop Christina Aguilera.
Aly didn’t have much time to hang out in Los Angeles though. She tweeted late last night, “The night has officially ended. Now on my way back to Vancouver! I can sleep on the plane I guess:/ good times!”
Pictures of Aly in Emmy magazine are also included thanks to Alyson-Michalka.org.
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