Jessica made the confession while chatting to Reveal about the launch of her own clothing line, With Love Jessica, for Lipstick Boutique.
"I love Blake Lively - she's my favourite in and out of Gossip Girl!" Jess admits.
Jess's collection features a range of high glamour dresses with thigh splits, plunging necklines and a whole lot of lace!
In our exclusive video, she also reveals her top tip for looking instantly sexy and the product she "feels naked" without!
What do you think of Jessica's clothing line? Let us know in the comments below.
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