BLAKE LIVELY AND LEIGHTON MEESTER, GOSSIP GIRL
(The CW, 9-10 p.m. Wednesdays, debuting Sept. 19)
This small-screen adaptation of a popular young-adult novel series, developed by The O.C. creator Josh Schwartz, focuses on rich Upper East Side teens who enjoy their share of sex, drugs, and rock & roll. So how does it feel for Meester to play bitchy Blair Waldorf? ''I actually really like it,'' she says. ''I shouldn't enjoy it so much.'' (Read more about this new show)