Usually, an Ashlee Simpson trip to Las Vegas means a lot of bad singing -- but last night at the grand opening of the Palms Place, she unleashed her motherly glow.
Also at the Palms: big sis Jessica Simpson, tiny thesp Vern Troyer, "A.I" loser Constantine Maroulis and Linda Hogan and her teen companion. Mr. Ashlee Simpson, Pete Wentz, spent his night on the turntables ... emo-style!
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