Nov 30, 2007, 12:30 GMT
Ashley Olsen is dating 'Sweet Home Alabama' star Josh Lucas.
11/28/2007 - Ashley Olsen - New Museum Grand Reopening Co-Hosted by Calvin Klein - Arrivals - New Museum on the Bowery - New York City, NY, USA © Wild1 / PR Photos
The 21-year-old Olsen twin - who was recently romantically linked to 36-year-old cycling champion Lance Armstrong - was seen "all over" Josh, who is also 15 years her senior, at the opening of New York's New Museum on Wednesday (28.11.07).
A source said: "They were meant to be watching one of the acts but they were cuddling up instead. She was all over him."
Lance was also present, sparking rumors Ashley's public display of affection was an attempt to make him jealous.
Meanwhile, Ashley's twin Mary-Kate was spotted out partying in another New York venue on the same night, just nine days after being admitted to hospital with a "kidney infection".
Mary-Kate was seen living it up at the Bowery Hotel party for new SoHo store Billion Dollar Boys Club and then headed to the Beatrice Inn, where she danced until 3am.
One witness said: "She looked fine to me."
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