It was a big surprise at á bientôt Tuesday afternoon when Real Housewives of New Jersey star Teresa Giudice stopped into the River Oaks boutique unannounced.

"I can't believe she was real," store owner Betty Newton tells CultureMap.

Newton says that Giudice found out about the specialty boutique from her agent who had been to the store before. Giudice purchased a gold necklace with pave diamonds.

"She acts exactly like she does on TV," Newton says. "She has a large personality but she could not have been nicer."

Of course, Guidice is most known for the infamous table flipping scene, the most famous single scene in the history of the Real Housewives franchise. She was hardly on the warpath in Houston though.

Instead, Giudice was just enjoying a little retail therapy before signing copies of her new book, Fabulicious!: Fast & Fit, at Barnes & Noble in Town & Country Village. She tweeted her thanks to all her fans who were at the event:

Wednesday morning Guidice sent out another tweet before leaving Houston with an unnamed friend: