(Cover) - EN Showbiz - Lea Michele is thrilled Gwyneth Paltrow is returning to Glee, but says the storyline is top secret.

It was recently revealed the Hollywood star will be reprising her role as substitute teacher Holly Holliday in the award-winning American television show. When she first appeared on Glee, Gwyneths character fell for teacher Will Schuester and the romance is set to heat up when she returns.

Lea, who plays ambitious student Rachel Berry in the series which follows a group of high school misfits who belong to a musical club cant wait to work with Gwyneth again, but admits she doesnt know much about what has been planned for the Oscar-winning actress.

"I'm excited. Anything with Gwyneth is great, Lea told MTV News.

Lea also revealed the cast are set to pay tribute to teen heartthrob Justin Bieber in a forthcoming episode. She says the male members of the show will be belting out some of his greatest hits.

Meanwhile, Lea has compared her Glee character to a member of the Sex and the City cast. She believes Rachel is a younger version of prim and proper Charlotte York Goldenblatt.

I like to think that Charlotte York from Sex and the City is Rachel Berry all grown up:), she wrote on her Twitter account. (C) Cover Media