Gossip Girl/Shattered Bass
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Shattered Bass is the twenty-first episode of the fourth season of Gossip Girl.
Starring: Blake Lively (Serena van der Woodsen), Leighton Meester (Blair Waldorf), Penn Badgley (Dan Humphrey), Chace Crawford (Nate Archibald), Taylor Momsen (Jenny Humphrey (credit only)), Ed Westwick (Chuck Bass), Jessica Szohr (Vanessa Abrams)
Guest Starring: Hugo Becker (Louis Grimaldi), Michael Boatman (Russell Thorpe), Margaret Colin (Eleanor Waldorf), Kaylee DeFer (Charlotte Rhodes), Desmond Harrington (Jack Bass), Wallace Shawn (Cyrus Rose), Tika Sumpter (Raina Thorpe), Joanne Whalley (Princess Sophie Grimaldi), Nicole Fiscella (Isabel Coates), Amanda Setton (Penelope Shafai), Nan Zhang (Katy Farkas)