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She's often happy to let her sister steal the show, but yesterday Pippa Middleton made the most of her moment in the spotlight as she promoted her new book, Celebrate, in no less than four different dresses.
She kicked off promotional proceedings at Foyles bookstore in Fulham in a futuristic, abstract-print number by Paper London, costing £395:

Moving on to the Daunt bookshop, she switched into an elegant, maroon dress by Roksanda Ilincic that looked like she meant business:

Soon after, she emerged in a glamorous LBD by Markus Lupfur to host a children's Halloween party in the store. This was the first shift from formal to fun fashion, and she looked ready to party:

But it wasn't the show-stopper of the night; that role was filled by the tweed and black Stella McCartney dress Pippa chose for the evening bash at the store, where she was joined by her brother and parents, while sister Kate kindly stayed away to let Pippa get all the attention.

And she certainly dressed the part in a combination of outfits that cost a total of around £3,000. Which one was your favourite?
Let us know below, and see more Pippa style pics here:
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Style Evolution: Pippa Middleton
<strong>2007</strong>
Pippa with her sister Kate at Windsor after watching Prince William Play Rugby
Style Evolution: Pippa Middleton
<strong>2007</strong>
Kate and Pippa Middleton spotted leaving Kings Road club Raffles
Style Evolution: Pippa Middleton
<strong>2007</strong>
Pippa Middleton, attending Time To Reflect
Style Evolution: Pippa Middleton
<strong>2008</strong>
Pippa Middleton arrives at the Renaissance Rooms in south London, for the Day-Glo Midnight Roller Disco
Style Evolution: Pippa Middleton
<strong>2008</strong>
Pippa Middleton at the Issa Autumn Winter Fashion Show
Style Evolution: Pippa Middleton
2008
Pippa Middleton arriving at the Berkeley Square End of Summer Ball
Style Evolution: Pippa Middleton
2011
Pippa Middleton, sister of Kate Middleton, attends the wedding of Katie Percy to Patrick Valentine
Style Evolution: Pippa Middleton
<strong>2011</strong>
Pippa Middleton at Westminster Abbey ahead of the wedding between Prince William and Kate Middleton
Style Evolution: Pippa Middleton
<strong>2011</strong>
Pippa Middleton shopping on The Kings Road
Style Evolution: Pippa Middleton
2011
Pippa Middleton attending the Temperley fashion show
Style Evolution: Pippa Middleton
<strong>2011</strong>
Pippa Middleton arriving at the Boodles Boxing Ball
Style Evolution: Pippa Middleton
<strong>2012</strong>
Pippa Middleton taking part in the 90 km long cross country skiing competition
Style Evolution: Pippa Middleton
2012
Pippa Middleton at the wedding of Camilla Hook and Sam Holland
Style Evolution: Pippa Middleton
<strong>2012</strong>
Pippa Middleton at Wimbledon
Maybe Kate adds Pippa's dresses to the bill that Charlie foots for her wardrobe!