United Kingdom, May 7 -- Katherine Heigl's children are "unimpressed" by her career.

The 46-year-old actress has enjoyed significant success in Hollywood, starring in movies such as 'Knocked Up', '27 Dresses' and 'The Ugly Truth' - but Katherine's kids are underwhelmed by her career achievements.

The blonde beauty - who has Naleigh, 16, Adalaide, 13, and Joshua, eight, with husband Josh Kelley - told Us Weekly: "Adalaide is very unimpressed with my acting career. She finds it gives her the ick.

"No one's more humbling than a teenage daughter, I'll tell you that.

"They're at those ages where kids can be real jerks, right? And say crappy things. And they asked me like, 'Well, does it bother you if people tell you you're a dumb blonde?' ...