HOLLYWOOD, Calif. — As a rising young star, Leighton Meester says she's learning how to handle the good and the bad that comes along with being a celebrity.

"I've learned to let things roll off my back," the 21-year-old actress reveals in the spring issue of Teen magazine. "If people say negative things, I could care less."

"But I let it give me a boost of confidence if they're saying nice things," she adds.

Dissing the dirt on her hit WB series, Meester sheds some insight on the potential identity of the enigmatic "Gossip Girl" blogger.

"I have my suspicions," she says. "If I had to guess, I was thinking it could be Chuck. He seems just evil enough to say those things."

Meester, whose first acting role was on the NBC legal drama "Law & Order" in 1999, says she is relating to her "Gossip" character more and more every day.

"I feel like I'm becoming more like her and she's becoming more like me," Meester says. "She's young and vulnerable, but also smart and feisty."