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David Arquette is one of the only guys we know who can look this fabulous in a white Joseph Abboud suit.

Courteney Cox's estranged hubby hit up Dominick's in Hollywood for a late night bite. We love seeing David so happy these days!

The sexy daddy has been super busy ... not only with Beacher's Madhouse at The Roosevelt, but also a new game show that he and Courteney developed called Identity Crisis. We hear they sold the pilot to CBS. We'd be smiling, too!

See more of Mr. Arquette working his white ensemble ... after the jump.