Justin Bieber has a crush on Tina Fey

The 16-year-old Canadian pop star made a guest appearance on comedy sketch show Saturday Night Live earlier this month. Comedienne Tina, 39, stars in the programme, and Justin spent most of his time on set following her around like a "lovesick puppy", much to the cast and crew`s amusement.

"Justin has a serious case of puppy love," an insider laughed. "He followed her around backstage like a pet Labrador. It was obvious to the cast and crew that Justin is completely taken with Tina. He clearly has a thing for older women - especially Tina."

Tina is married to composer and producer Jeff Richmond, and they have a four-year-old daughter, Alice, together. Despite being 23 years old than Justin, Tina was reportedly just as impressed with him. She couldn?t believe how mature he was, and enjoyed watching him perform.

"Even though he is young enough to be Tina`s son, she was astounded by his confidence and poise," the source told the National Enquirer magazine.

sections: Celebrities