On the set of “Dancing with the Stars,” Kirstie Alley has been VERY busy.

During the course of this season, the actress has lost considerable weight, and even one of her dresses had to be taken in by 38 inches!

By all accounts she has done an amazing job, and is up for the championship round of the popular dance competition.

Of course Kirstie Alley is best known for her acting career, which includes seven Golden Globe nominations and a win for Best Performance by an Actress in a Comedy Series for Cheers.

Here she is dancing the Cha Cha Cha with partner Maksim Chmerkovskiy:

Posted on May 24th, 2011