United Kingdom, March 9 -- Denise Richards' split from Charlie Sheen was "really hard" on her career.

The 54-year-old actress split from 'Two and a Half Men' star Charlie Sheen, 59, in 2006 after four years of marriage and claimed that she struggled to find work after their divorce but acknowledged that her ex-husband actually taught her a lot throughout their relationship.

She told UsWeekly: "That was really hard for my career.

"A lot of people didn't want to hire me. That has been a roller-coaster of a journey, and he's been one of my biggest teachers of learning a lot about myself actually!"

The 'Wild Things' star -who has Sami, 20, and Lola, 13, with Charlie but also adopted Eloise, 13, in 2011 - went on to tuie the knot with Aaro...