Preston died at the age of 57 after battling breast cancer for two years. Hollywood has taken to social media to mourn the loss of Kelly Preston ... son in "The Cat in the Hat." ...

Celebrities are paying tribute to actress Kelly Preston ... Spencer Breslin, who starred with Preston in 2003's "The Cat in the Hat," tweeted: "RIP to my on screen mom, #kellypreston.

Released on November 21, 2003, The Cat in the Hat was based on Dr. Seuss' 1957 ... Alec Baldwin, and Kelly Preston in pivotal roles. The film was produced by Universal Pictures, DreamWorks ...