Magical Meow Meow Taruto(2001)

Taruto is a little cat who has just moved to a new city with her master's family. Taruto spends her days making friends and exploring her new home town. She also has a knack for getting herself into trouble. And it turns out that Taruto just might be a legendary magical princess. Almost none of Taruto’s friends believe that she can use magic or that she’s a princess, but Taruto is determined to prove it to them. But Taruto's magic is so unpredictable, you never know what's going to happen when she uses it.

(Source: Anime News Network)