What designers are similar to kate spade and tory burch-especially ones that appeal to 20-30 year olds?

I was looking for a birthday present for my sister, maybe a handbag or shoes. I've gotten her Kate Spade and Tory Burch in the past which she really liked, but I'd like to try a new brand. I was wondering if there were any designers that were similar in price range that were popular among young adults.