Justin Bieber: Barnes & Noble Boy

Justin Bieber tended to work duties as he held a book signing at Barnes and Noble in Los Angeles, CA.

the "Baby" hitmaker posed for pictures before signING copies of his just-released book, Justin Bieber: First Step 2 Forever: My Story.

Hilary Duff Gets To Work On "She Wants Me"

Hilary Duff spent the afternoon on the set of "She Wants Me" in Los Angeles, CA.

The "Beauty & the Briefcase" babe was spotted chatting with castmate Josh Gad as she headed back to filming after a lunch break.

Brenda Song: Gifting Services Girl

Brenda Song paid a visit to the Gifting Services Showroom in Los Angeles.

The "Suite Life of Zack and Cody" star tried on the many clothing offerings while taking time to pose for photographers.

Justin Bieber Checks Out Megamind Premiere

Justin Bieber turned up for the premiere of "Megamind" in Los Angeles, CA.

The "Baby" singer toted a video camera as he happily greeted Will Ferrell in between tending to his many fans in attendance.

Taylor Swift: Hollywood Blvd Performer!

Taylor Swift was spotted out on Hollywood Boulevard on Friday afternoon.

The country cutie warmly greeted her fans as she rode atop a bus while trying to boost interest in her recently released album.

Sarah Hyland: Due Date Darling

Sarah Hyland was spotted on the red carpet in Hollywood, California.

The "Modern Family" star checked out the premiere of Due Date which was held at the Chinese Grauman Theatre.

Emma Roberts: Los Angeles Lady

Emma Roberts was spotted shopping in Los Angeles, CA.

The “Valentine’s Day” actress stayed calm and collected while being followed by a man wearing a crocodile mask.

Emma Stone Visits El Hormiguero

Emma Stone was spotted on the “El Hormiguero” television show in Madrid, Spain.

The “Zombieland” babe looked to be enjoying herself as she drummed up attention for her new film “Easy A.”

Leighton Meester: Night Of Stars Sassy

Leighton Meester was spotted at the 27th Annual Night of the Stars held by The Fashion Group International.

The "Gossip Girl" star arrived at Cipriani on Wall Street in New York City looking very fashionable while posing for pictures.

Brittany Snow: Wonderful In West Hollywood

Brittany Snow was spotted out and about in West Hollywood, CA.

The "Hairspray" actress looked through her purse before hitting up a gas station to fill up her car.

Emma Roberts: Mr. Bones Beauty

Emma Roberts made a trip to Mr. Bones Pumpkin Patch.

The “Hotel for Dogs” hottie looked cute and casual as she selected her gourd, sporting a white top and light wash jeans.