Katie Holmes did a lot of shopping on her recent jaunt around Paris, but there's one item she has crossed off her list – a wedding gown.

"I already have my dress," Holmes, who is engaged to Tom Cruise, told PEOPLE while touring the City of Light.

That didn't stop her from finding plenty of other items to indulge in. The actress, along with pal Victoria Beckham, hit three fashion week shows and did some serious damage at the city's famous shops. "I've been shopping all day," Holmes told PEOPLE on Friday. "They have beautiful things for babies here."

Indeed, the new mom scooped up pink finery at Baby Tuileries – and for Mom, eight pairs of Roger Vivier shoes, which start at $650.

Paris is a special place for Holmes, 27, who accepted Cruise's marriage proposal atop the Eiffel Tower in June 2005. This time, though, she left her fiancé and baby daughter Suri at home in Los Angeles and flew to Paris for a rendezvous with Beckham, who had "suggested a girls' break," according to a friend.

While there she also attended a party for Chanel's Karl Lagerfeld and joined Beckham to visit the showroom of designer Giambattista Valli, where Holmes chose a dress to wear to his show. "She's so tall, but very thin," said a source at Valli. "She fit into the sample size perfectly."

On Saturday, Holmes headed to Lake Como, Italy, perhaps to scout out wedding destinations. A date for the wedding is still unknown.