Kristen Stewart celebrates 23rd birthday with Robert Pattinson

"Twilight" star Kristen Stewart, who turned 23 recently, celebrated her birthday with boyfriend Robert Pattinson by her side.

The couple were spotted at the Mexican restaurant Malo in Los Angeles' Los Feliz neighborhood with a group of nearly 40 friends, including "Spring Breakers" actress Ashley Benson, reported Us magazine.

Stewart kept the dress code casual in jeans, a black zip-up hoodie and sneakers whereas Pattinson, 26, followed her lead by wearing a black jacket, gray hoodie, jeans and sneakers.

Stewart and Pattinson appeared to be in good spirits as they were seen exiting a car together. She was also snapped with a big smile on her face while walking arm-in-arm with a female friend.