The trendy Italian restaurant and its siblings, Geisha House, Bella and Ketchup, can thank investors Ashton Kutcher, Danny Masterson, Wilmer Valderrama and Jamie Kennedy for their popularity among star-struck diners.

Jennifer Lopez's Cuban restaurant continues to bring out a lively crowd to its quiet Pasadena street. This investment is personal--J Lo's dad oversees operations.

Eva Longoria's "Desperate Housewives" co-stars came out en masse to the grand opening of her Latin-infused venture with chef Todd English. Expect more celebs to follow when the restaurant officially opens to the public.

This new SBE restaurant-lounge not only has industry heavyweights Brett Ratner, superagent Patrick Whitesell and NBC co-chair Ben Silverman as investors, its super hot chef, Antonia Lofaso, is also on Bravo's "Top Chef."

The Sunset Strip steakhouse is part of Innovative Dining Group, which also owns Sushi Roku, Katana and other BOAs throughout the West Coast. Celebrities with a stake in the group include Ryan Seacrest, Tori Spelling and Rob Lowe.

This intimate North African restaurant is the ideal place to strike up a conversation with co-owner and indie darling Ryan Gosling. Food's not bad either.

The glamorous decor and French cuisine by chef Christopher Eme gets a nice intro from co-owner Jeri Ryan, who often hosts.

Celeb spawn Julian Lennon is behind this clubby, Sunset Blvd. sushi joint.

It's only natural that this Southern style restaurant is co-owned by the original Blues Brother Dan Aykroyd (along with fellow Brother John Belushi's brother Jim).