Stepping out to show off her latest work, Megan Fox attended the Hollywood premiere of "This is 40" on Wednesday (December 12).

Stunning in a deep red, curve-hugging dress, the brunette beauty was joined on the red carpet by her co-star, Paul Rudd, before heading in to Grauman's Chinese Theatre.

The film - which also stars Leslie Mann and Jason Segal - follows the lives of Pete and Debbie a few years after the events in "Knocked Up."

Spearheaded by Judd Apatow, the movie will hit theaters nationwide on December 21st.

Catch the trailer for "This is 40" in the player below!