Credit: Jking/Nigel/Flynet

Suri Cruise won't let mom Katie Holmes don just any pumps!

During a shopping trip to Vancouver's Holt Renfrew Sunday, the four-year-old tot was not shy about letting Holmes, 32, know which shoes met her approval.

"She'd take whatever shoes her mom had picked out and walk around in the high heels," says an onlooker of the budding fashionista. "At one point, Katie liked a pair of shoes, but Suri hid them because she didn't like them on her mom. Katie went to look for them afterwards but couldn't find them." See more pics from their shopping trip.

The source notes that the toddler, who was in town while dad Tom Cruise, 48, filmed Mission Impossible: Ghost Protocol, also kept herself entertained by checking herself out in the mirror while the actress browsed.

"She was looking at her baby teeth in the mirror," says the witness of the tot, who modeled a pair of Jimmy Choo shoes (left). "She was smiling, then contemplating them, and even looked disgusted at one point! She was having a ball, just being a kid and walking around on her knees."

Of course, the afternoon outing wasn't the first time Suri has played stylist for her mom.

"She'll say, 'You've got to wear these shoes.' Or 'That's so pretty, Mom. Wear that,'" Holmes recently told Elle magazine. "She's got a great eye."