David Arquette, dressed in black from head-to-toe, let off some steam Wednesday, taking a ride on Mullholland Highway on the Aprilla motorcycle  Courteney Cox gave him for his birthday, and Breaking Celebrity News has all the pictures for you.

PHOTO: David Arquette - The 'Birthday Bike'

The bike, according to Arquette, was metaphoric in the sense that it came with a subliminal ultimatum Cox gave him along with it: Grow up, or ride off into the sunset.

In a shockingly candid interview with Howard Stern on his Sirius radio program Tuesday, Arquette said, "After our 11th anniversary she gave me a motorcycle and said, 'I don't wanna be your mother anymore.' I was like, 'Alright, I get it.'"

FIRST PHOTOS: Courteney Cox Surfaces Sans Wedding Ring

Arquette, whose announced separation from the Cougar Town star shocked the entertainment world Monday, took to Twitter Wednesday, and seemed to regret letting it all han