Blake Lively wore Belle by Sigerson Morrison Women’s 6067 Boots (available from Endless.com, $495) on the set of Gossip Girl on January 7th, 2010. (source)

Blake Lively was spotted on the set of Gossip Girl on December 14, 2009 wearing Joie Refugee Black Distressed Tall Lace Up Boots, available from Singer22.com, on sale for $347, regularly $535.

Perfect for commanding fashion’s front lines, these distressed leather boots feature lace-up detail and a side zip closure. 1.25″ stacked heel. 14″ shaft and 14″ circumference. Leather sole. Made in Brazil.

Blake Lively wore Jimmy Choo Jet Pumps (available from MyTheresa.com, $1,095) on Gossip Girl 3.09 episode “They Shoot Humphreys, Don’t They?”

Blake Lively wore Christian Louboutin Lillian 120 Mary Janes (available from MyTheresa.com, in promotional ad for Gossip Girl Season 3…

Can’t afford Louboutins? Steal Blake’s Style with these near replica (minus the signature red sole) Harajuka Lovers Airlie II Mary-Jane-Style Heels, available from Heels.com for only $87.99 with Free 2nd Day Shipping…

Blake Lively wore Manolo Blahnik Bocek Sandals in Bronze (available from Barneys New York, $865) in the Gossip Girl 3.03 The Lost Boy episode.

Metallic snakeskin open toe multi strap sandal with aged brass button closures, open back and ankle strap. 115mm thin covered heel. Leather sole. Available in Bronze. Made in Italy.

Manolo Blahnik Black Silk Pumps 36 M / 6 B US $175.00 Auction Ends: Sunday May-20-2012 21:42:09 PDT   | Watch this Item

Manolo Blahnik NESTA Fur Trim Ankle Bootie Boots 40 10 US $799.99 (0 Bid) Auction Ends: Sunday May-20-2012 21:45:27 PDT   | Watch this Item

Manolo Blahnik Leather Pink and White two-toned heels SZ 6 US $135.00 Auction Ends: Sunday May-20-2012 21:49:37 PDT   | Watch this Item

Blake Lively wore Christian Louboutin Miss Boxe Patent Wedges (available from Barneys New York, $625) on the Gossip Girl 3.05 Rufus Getting Married episode.

Metallic patent leather round toe wedge. 95mm covered wedge. Signature red leather sole. Available in Cranberry. Made in Italy.

Steal Blake’s Style for less with these CL replicas DKNYC Dottie Wedges (shown right) for $88.19 from Zappos.com

Authentic Christian Louboutin SUEDE Heels Pumps Sz 39 9 US $225.00 (0 Bid) Auction Ends: Sunday May-20-2012 21:37:01 PDT   | Watch this Item

Christian Louboutin Baldabooty Two Tone Platform Ankle Bootie Boots Nude 35.5 US $799.99 (0 Bid) Auction Ends: Sunday May-20-2012 21:45:27 PDT   | Watch this Item

Christian Louboutin MERVILLON 85 Black Belted Knee High Boots 36 EU / 6 US US $899.99 (0 Bid) Auction Ends: Sunday May-20-2012 21:45:27 PDT   | Watch this Item

Blake Lively wore Te Casan Fenny Boots during the Gossip Girl Season 2 Episode – You’ve Got Yale.  Te Casan by Fay Baldock Fenny Boots are available from Endless.com, $275.

Jessica Simpson’s shoe line carries several very similar styles (for less)…

Jessica Simspon Jovi Boot, on sale for $119 (reg $149) from Zappos.com
Jessica Simpson Yindly Boot, on sale for $136 (reg $195) from Heels.com
Jessica Simspon Lynell Boot, $197.95 from ShoeBuy.com

NIB JESSICA SIMPSON ANNE BLACK LEATHER SLOUCH BOOTS 10M US $125.99 (0 Bid) Auction Ends: Sunday May-20-2012 21:59:25 PDT   | Watch this Item

Blake Lively was seen twice wearing Jimmy Choo gold metallic python ‘Sweden’ pumps (on sale at BlueFly.com, $552 - regularly $920), once at The Dark Knight Premiere on July 14th, 2008, and again on the Gossip Girl Season 2 episode “The Serena Also Rises”.

For a knock-off Jimmy Choo replica, check out Chadwick’s Gold Sparkle Pumps (shown left), only $39.99!

Sarah Palin isn’t the only one that wears black peep-toes.  Blake Lively wore an ombre dress with black peeptoe pumps when she arrived on the set of The Late Show with David Letterman to promote Gossip Girls’ season premiere.

Steal Blake’s Style…
Delicious Suede Peep Toes Heels, only $18.99
Bandolino Gordona Black Leather Open Toe Pumps, $69
Vaneli Plover Black Patent Peep Toe Silhouettes, $90.45

Gossip Girl A-line V-neck Short / Mini Chiffon Cocktail / Celebrity Dress, $89.99

Blake Lively on the set of Gossip Girl in New York City on August 25, 2008 wearing Christian Louboutin black boots.

Steal Blake’s style for less…
Franco Sarto Leone Black Boots from Gotham City Online, $89.97
G by Guess Badger boots, $149.50