Lindsay Lohan dating Stavros Niarchos, Jude Law, James Blunt or Brandon Davis?

Beauty Lindsay Lohan is dating again.

"I'm dating," Lohan, 20, told PEOPLE Monday at the Los Angeles premiere of Showtime's The Tudors. "I'm really happy and I'm having fun."

The actress, was recently spotted Stavros Niarchos at Teddy's. Lindsay Lohan was also spotted with James Blunt

The crooner and the "Mean Girls" star were spotted leaving a Hollywood nightclub together. Lohan tried to hide from onlookers under her coat .

Last week, Lindsay was linked to Jude Law.

Lohan says she learned some important lessons from her guest spot at the Wonderland Center in L.A.

"There's no way you can't learn a lot in a program like that, and it's good," she said. "I recommend it for anyone who needs it."

I'm hearing a lot of [critical] things if I go out, so that always sucks," she said. "But it's like, when do people not say it? They're always going to say things, so I expect it. But I'm feeling really good."

Lohan also slammed reports she was dating oil heir Brandon Davis. "No, I'm not dating him," she said, then hinted: "It's no one here."

Meanwhile, Lindsay Lohan got the spins during a Friday-night deejay session at Les Deux in Los Angeles reports Page Six. Lohan was dancing in the booth with Samantha Ronson when, spies say, she "put down her drink and ran to the bathroom." Lohan was "drinking and dancing like a nut behind Samantha. She was screaming into the mic at the end of the night." Lohan's rep told Page Six, "The only truth to this story is that Lindsay was deejaying with Samantha."