More sneak peeks at what’s to come in September on Gossip Girl Season 3!

#100 Gossip Girl Season 3 Set Photos

Caution!
Some of these photos may contain BIG spoilers!
You’ve been warned! MORE Gossip Girl Season 3:See June 2009 Gossip Girl Set PhotosSee Part 2: July 2009 Gossip Girl Set Photos

#99 Leighton Meester, Michelle Trachtenberg

#98 Leighton Meester

#97 Kissing Co-stars?

#96 Leighton Meester, Michelle Trachtenberg

#95 Leighton Meester, Michelle Trachtenberg

#94 Leighton Meester, Michelle Trachtenberg

#93 Lovely Leighton

#92 Orange You Pretty

#91 Leighton Meester, Michelle Trachtenberg

#90 Leighton Meester, Michelle Trachtenberg

#89 Leighton Meester, Michelle Trachtenberg

#88 Leighton Meester, Michelle Trachtenberg

#87 Leighton Meester, Michelle Trachtenberg

#86 Leighton Meester, Michelle Trachtenberg

#85 Leighton Meester, Michelle Trachtenberg

#84 Penn Badgley, Blake Lively

#83 Derena Back Together?

#82 Two Kisses, One Outfit

#81 Blake Taking a Break

#80 Blake Lively, Leighton Meester

#79 Leighton Meester, Ed Westwick

#78 Leighton Meester

#77 Leighton Meester

#76 Chair Kissing

#75 Leighton Meester

#74 Laughing Leighton

#73 Blake and Penny

#72 Leighton Meester, Ed Westwick

#71 More Chair

#70 Blake on Set

#69 Serena Sits

#68 Blake and Penny

#67 Serena Waits

#66 Lovely Lively

#65 Leighton on Set

#64 Blair Walks

#63 S and B

#62 Penny For Your Thoughts

#61 Anticipation

#60 More Serena

#59 Graceful Blair

#58 Worried Serena

#57 Handsome Ed

#56 Cooing Chair

#55 Blair in Red

#54 Ed Westwick

#53 Red Ed

#52 Ed Fixing the Hair

#51 Red Hot Chair

#50 Sebastian Stan, Ed Westwick

#49 Leighton’s On and Off Screen Loves

#48 Suspender Sexy

#47 Sebastian Stan, Ed Westwick

#46 Ed Says What?

#45 Leighton on Set

#44 Leighton on Set

#43 Ed on Set

#42 Chuck in Purple

#41 Ed Westwick

#40 Ed Westwick

#39 Dashing Chuck

#38 Ed on Break

#37 Who, me?

#36 Looking Up

#35 Leighton Meester

#34 Suspended Ed

#33 Sebastian Stan, Ed Westwick

#32 Strapping Ed

#31 Piercing Gaze

#30 Chair in Love

#29 More Chair Kisses

#28 Chuck in Uniform

#27 Leighton Warms Up

#26 Serena’s Red Dress

#25 Blair and Serena

#24 Skintight Serena

#23 Blair and Chuck Fighting?

#22 Shocked Serena

#21 S and B’s Night Out

#20 Serena Thinking

#19 Sexy Ladies

#18 Sparkly Blair

#17 Skimpy Serena

#16 Unhappy Blair

#15 Walking Stars

#14 Technicolor Blair

#13 Leaving Nothing to the Imagination

#12 Serena and Dan

#11 Vanessa’s There Too

#10 Blake and Sebastian on Set

#9 Glam Georgina

#8 Late Night Derena

#7 Pretty Jessica Szohr

#6 Pouty Georgie

#5 Blake Lively

#4 Blake Lively, Jessica Szohr

#3 Blake and Penn

#2 Michelle Trachtenberg

#1 Shocked Sebastian

MORE Gossip Girl Season 3:See June 2009 Gossip Girl Set PhotosSee Part 2: July 2009 Gossip Girl Set Photos