Shoppers across the U.S. poured into stores for Black Friday at the traditional kickoff of the holiday gift-giving season. Buoyed by a strong economy, spending is expected to surpass $1.1 trillion over the entire holiday period, according to a forecast from Deloitte. Here's a glimpse of the retail frenzy.

Bargain hunters wait outside the Macy's Inc. flagship store in New York.

Photographer: Jeenah Moon/Bloomberg 

A store assistant passes out Black Friday brochures and coupons at a J.C. Penney Co. store in Garden City, New York.

Photographer: David Williams/Bloomberg 

A shopper carries her haul at J.C. Penney.

Photographer: David Williams/Bloomberg