Notebook star Ryan Gosling endured a very public breakup with co-star Rachel McAdams in 2008 after dating on-and-off for close to four years, but RadarOnline.com has learned that the heartthrob actor has moved on with a new Hollywood starlet -- Casey LaBow.

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“He had his arm around her throughout their dinner and even fed her pasta at one point,” a source told RadarOnline.com of Ryan’s romantic dinner Friday night with Casey. “It was really cute.” The two were spotted dining at an Italian restaurant in Venice, California  and appeared to be on a double date.

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Ryan’s new mystery woman Casey has a role in the 2010 film Skateland, which stars Ashley Greene and premiered at Sundance this year and she has also been in a handful of episodes of CSI: NY.

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“They seemed really comfortable with each other,” the source said. “It’s like they’ve been dating for quite a while.”

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• TAGS
• Ashley Greene
• Casey LaBow
• exclusive
• hollywood happenings
• Rachel McAdams
• Ryan Gosling
• The Notebook
• Venice