The TOWIE star wowed in not one but two beautiful dresses as she smiled for photographers and greeted fans outside the shop.
Jessica was supported at the launch by her parents Carol and Big Mark Wright (who have just celebrated their 30-year wedding anniversary), grandmother Nanny Pat, and sister Natalya, who marked her 13th birthday with a fun-filled party at the weekend.
Jessica's store launched its pop up at the East London shopping mall earlier today. It will run until Monday (19 August) so if you want to get your hands on some of Jess' glamorous dresses and gear make sure you check it out.
Along with her dress range you'll be able to sample her latest venture, Fruity Tans, a self tanning range that promises not to smell bad. Result.
(She actually wore the cherry scented tan this evening.)
And if you fancy meeting Jess, make sure you pop along tomorrow (16 August), Saturday (17 August) or Sunday (18 August) as she'll be working in store.
She's also hinted we could be seeing some other familiar faces, tweeting on 13 August that fans should join her and the "family".
Does that mean Carol and Nanny Pat might drop in?
One person who seems to be a definite is Natalya, who tweeted tonight: "At Our @WithLove_Jess new shop launch in @westfieldstrat everyone make sure u all come and visit us over the next few days! #excited."
Another famous face we reckon could definitely make an appearance in store is Jessica's boyfriend and TOWIE co-star Ricky Rayment. The couple appear more loved up than ever these days and recently returned from a quick break to Ibiza.
Ahead of Jess' red carpet appearance tonight, he couldn't stop gushing about how proud he is of his girlfriend.
"Getting ready for my girls big day Grand opening of her pop up shop in Westfields!! Soo excited and proud of her! #goingfar," he wrote.